A&P2 Exam 5 (Reproductive System, Pregnancy & Development, and Heredity)
Digestion of the zone pellucida occurs because of the
acrosomal reaction
The main source of androgens in women is the
adrenal cortex
The structure that forms the umbilical cord in the developing embryo
allantois
Which exta-embryonic membrane forms the umbilical cord?
allantois
The structure that secrets fluid that surrounds and protects the developing embryo
amnion
The meiotic phase in which the homologous pairs of chromosomes separate to opposite sides of the cell.
anaphase I
During what phase of meiosis do chromatids separate to opposite sides?
anaphase II
The meiotic phase in which sister chromatids migrate to opposite ends
anaphase II
Formation of sperm cells requires both testosterone and
androgen binding protein
The source of prolactin
anterior pituitary
The source of follicle stimulating hormone is the
anterior pituitary gland
The source of luteinizing hormone is the
anterior pituitary gland
What is the name of the fluid filled space in a maturing follicle
antrum
Which of the following explains Down syndrome?
autosomal trisomy
Human chorionic gonadotropin is secreted by the
blastocyst
The collectionof cells forming a fluid-filled follow sphere that reaches the uterus
blastocyst
The collection of cells forming a fluid-filled hollow sphere that reaches the uterus
blastocyte
The penis is anchored to the inferior surface of deep muscles of the perineum by the ____ of the penis
bulb
Attachment of the penis to the urogenital diaphragm is due the
bulb of the penis
The _____ muscle surrounds the bulb of the penis
bulbospongiosus
The _____ secretes a clear viscous fluid that clears the urethra of urine residue
bulbourethral gland
What process enables the sperm to be capable of penetrating the zona pellucida and bind to the egg?
capacitation
What is the name for the tubular extension of the uterus that leads toward the vagina?
cervix
The embryonic portion of the placental membrane
chorion
The process of examining fetal cells from the chorionic villi for genetic disorders is
chorionic villus sampling
What type of tissue would you expect to find lining the mucosa of the uterine tubes?
ciliated columnar epithelium
The ____ is a highly sensitive structure with erectile tissue
clitoris
The A allele and B allele in the ABO blood type show which pattern of gene expression?
codominance
What is an example of sex-linked inheritance?
color blindness
Barring abstinence, the most effective method of preventing sexually transmitted disease is
condom
Erection involes blood filling the erectile tissue of the two _____ on the dorsal surface
corpora cavernosa
The ____ of the pvary secretes estrogen and progesterone during the luteal phase of the ovarian cycle
corpus luteum
The ruptured ovulating follicle forms the ___ due to luteinizing hormone
corpus luteum
The source of estrogen in women during the secretory phase is the
corpus luteum
The source of progesterone in women is the
corpus luteum
The source of the female sex hormones during the first month of pregnancy
corpus luteum
The source of the female sex hromones during the first month of pregnancy
corpus luteum
What ovarian structure secretes female sex hormones after ovulation?
corpus luteum
What structure secretes estrogen and progesterone to promote thickening of the endometrium?
corpus luteum
Expansion of the single _____ along the ventral surface opens the urethra
corpus spongiosum
Thermoregulation of the primary male sex organ involves skeletal muscle called the
cremaster muscle
The penis is anchors to the ishium y the ___ of the penis
crura
Thermoregulation of the primary male sex organ involves smooth muscle called the
dartos muscle
Pregnancy testes detect the presence or absence of the hormone ____ in urine
human chorionic gonadotropin
The hormone which maintains the corpus luteum after fertilization
human chorionic gonadotropin
Maintenance of the corpus luteum is dependent on the secretion of _____ by the trophoblast cells of the blastocyte
human chorionic gonadotropin (hCG)
What is the name of the partial partition covering the vagina?
hymen
In which pattern of genetic expression would a heterozygous individual have a phenotype that is intermediate between homozygous dominant and homozygous recessive?
incomplete dominance
Sick-cell trait is an example of
incomplete dominance
What type of hernia involves movement of a loop of the intestine into the opening between the abdominal cavity and scrotum?
inguinal hernia
The cells that will actually develop into the primary germ layers.
inner cell mass
The ____ urethral sphincter of the male reflexively constricts to prevent urination during ejaculation
internal
Testosterone is produced by the
interstitial cells
The ___ of the testes secrete testosterone and other androgens
interstitial cells
The main source of androgens in men is the:
interstitial cells
The contraceptive method that prevents embryo implantation is a
interuterine device
The process of returning the uterus to a pre-pregnant size over time is known as
involution
Which process involves reducing the uterus back to the pre-pregnant size?
involution
The myometrium
is composed of smooth muscle
The endometrium
is the mucosal lining of the uterine cavity
The perimetrium
is the outermost layer of the uterus
The _____ muscle surrounds the crura of the penis
ischiocavernosus
Which hormone is needed for expression of milk from the mammary glands?
oxytocin
Erection is a neural reflex involving the ___ nervous system
parasympathetic
The ____ glands are embedded in the wall of the urethra and secrete mucus at the external urethral orifice
paraurethral
The _____ is homologous to the prostate gland
paraurethral gland
Which of the following can be used to trace a genetic trait through several generations?
pedigree
The outer serosa of the uterus is the
perimetrium
The diamond-shaped ____ is the region of soft tissue located between the pubic arch, ischial tuberosities, and coccyx
perineum
What term refers to the actual traits expressed in an individual?
phenotype
The source of the female sex hormones during the second and third trimester.
placenta
In which pattern of genetic expression would an allele at a single locus have effects on two or more traits?
pleiotropy
The birth process is an example of
positive feedback
The source of oxytocin
posterior pituitary
the source of oxytocin
posterior pituitary
Testosterone stimulation of ____ sexual characteristics include development and enlargement of male sex organs
primary
The type of follicle that is part of the group that begins to develop with stimulation from follicle stimulating hormone (FSH) is a:
primary follicle
Which ovarian follicle has simple cuboidal cells surrounding the oocyte and is first stimulated by follicle stimulating hormone
primary follicle
Approximately once a month, a group of ____ are stimulated into further stages of meoisis and try to develop into
primary oocytes, secondary oocytes
Once a spermatogenic cell differentiates into a ____, it must undergo meiosis
primary spermatocyte
The type of cell that undergoes the first meiotic division is the
primary spermatocyte
An allele that is only expressed if both alleles are the same is said to be
recessive
The O allele in the ABO blood type show which pattern of gene expression?
recessive
What hormone causes the pubic symphysis to soften and separate?
relaxin
Which ligament anchors the uterus to the anterior body wall?
round ligament
A series of transverse folds along the vagina are called
rugae
The ____ is the skin pouch that supports the primary male sex organ
scrotum
Thermoregulation of the testes is maintained by the cremaster muscle and the dartos muscle of the
scrotum
male structure that houses the testes
scrotum
What type of glands are found in the areola of the breast?
sebaceous glands
Testosterone stimulation of ____ sexual characteristics include devleopment and enlargement of muscular growth, wide shoulders, narrow hips, enlargement of the larynx, and pubic, axillary, facial, chest, and back hair
secondary
The source of estrogen in women during the proliferative phase is the
secondary follicle
The type of follicle that has two or mroe layers of follicular cells surrounding the egg cell is a
secondary follicle
Generally, only one ____ is ovulated each month
secondary oocyte
Oogenic cells that contain 23 "double chromatid" chromosomes are
secondary oocyte
In the testes, the first meiotic division forms cells called ____ which have 23 double chromosomes
secondary spermatocytes
Spermatogenic cells that begin the second meiotic division are called
secondary spermatocytes
The ____ phase of rhe uterine cycle refers to endometrial glands secreting nutritious glycogen into the uterine cavity
secretory
The _____ phase of the uterine cycle is the most consistent at 14 days due to the maintence of the corpus luteum
secretory
The phase of the uterine cycle that begins after ovulation is the:
secretory
The phase of the uterine cycle that varies the least is the:
secretory phase
Which phase of the uterine cycle is the most consistent in its length?
secretory phase
the phase of the uterine cycle that is maintained following successful fertilization is the
secretory phase
Around 70% of the volume of semen is produced by the
seminal vesicles
The two ____ secrete an alkaline, viscous fluid containing fructose and clotting proteins
seminal vesicles
Male gametes are formed in tubular structures called
seminiferous tubules
Identical twins result from
separation of the morula
Genes such as color blindness that are located on the X chromosome are considered _________.
sex-linked
What is an example of incomplete dominance
sickle cell trait
The expulsion phase of ejaculation due to contraction of the bulbospongiosus muscle involves the ____ nervous system
somatic
In the testes, the second meiotic division forms cells called _____ which have 23 single chromosomes
spematids
The male gametes are called
sperm
The process of ___ forms sperm cells through differentiation
spermatogenesis
Undifferentiated spermatogenic cells that can undergo mitosis are called
spermatogonia
Males are capable of sexual reproduction through their entire lives because the ____ can reproduce themselves by mitosis
spermatogonium
The process of forming male gametes through meiosis is
spermiogenesis
The longest region of the male urethra is the _____ urethra
spongy (penile)
Gonadotropin releasing hormone (GnRH)
stimulates the release of follicle stimulating hormone (FSH) and luteinizing hormone (LH)
____ epithelium lines the vagina
stratified squamous
Which layer of the uterus is shed during menstruation?
stratum functionalis
The _______ form a blood testes barrier that prevents sperm cells from coming in direct contact with blood
sustentacular cells
The emission phase of ejaculation is a neural reflex of the ___ nervous system
sympathetic
Emission of sperm and glandular secretions from male accessory glands is dependent on
sympathetic nervous system
The meiotic phase resulting in spermatids
telophase II
The primary male sex organ is the
testes
The production of sperm cells occurs in the seminiferous tubules of the
testes
The hormone that develops and maintains male secondary sexual characteristics is
testosterone
Only one male gamete usually fertilizes a female gamete because fertilization causes
the block to polyspermy
The placenta assumes hormone production from the ovaries by the
third month
Which structure is responsible for the formation of sperm?
Seminiferous tubule
The phase of the uterine cycle resulting from a decrease in female sex hormones is the
WRONG
Mature male gametes are the only cell in the human body with
a flagellum
Swelling and elongation of the penis depends on
blood accumulation in erectile tissue
What structure is responsible for ejaculation of semen?
bulbospongiosus
Which muscle surrounds the structure that anchors the penis to the urogenital diaphragm?
bulbospongiosus
Ejaculation depends on somatic reflex causing contraction of the
bulbospongiosus muscle
The clear viscous fluid of the _____ neutralizes any residual urine in the urethra prior to ejaculation
bulbourethral gland
Which structure is responsible for lubricating the urethra prior to ejaculation?
bulbourethral gland
The process of activating cells to be capable of fertilizing an egg is
capacitation
Columnar epithelial cells of the uterine tubes are one of the few sites in the human body in which the cells have
cilia
The mass of sensitive erectile tissue in a female that is similar to the glans penis in a male is the
clitoris
Which structure is responsible for thermoregulation of the testes?
cremaster muscle
During prophase I, exchange of genetic information between homologous chromosomes can occur in the synapsis by
crossover
Recombinant chromosomes occur when chromosome pairs exchange sections of DNA in a process called
crossover
Cessation of a women's menstrual cycle results from a
decrease number of follicles sensitive to gonadotropins
_______________ traits are always expressed, whether in the heterozygous or the homozygous form
dominant
When do primary oocytes form?
during prenatal development
The duct that connects the vas deferens to the urethra is the
ejaculatory duct
The stratum functionalis layer of the _____ of the uterine wall undergoes cyclic changes in response to ovarian hormones
endometrium
Which structure is responsible for storing the sperm for up to two months prior to ejaculation?
epididymis
What are the names for the exntensions of the uterine tube that creates currents to draw in an ovulated oocyte?
fimbria
What structure helps sweep the ovulated egg into the uterine tube?
fimbriae
What is the name for the rounded region of the uterus superior to the entrance of the uterine tubes?
fundus
The sensitive region of the male copulatory organ is the
glans penis
Descent of the testes involes shortening of the
gubernaculum
The human cell generally contains 23 pairs of _______ chromosomes
homologous
In _______________, the heterozygous condition is expressed as a blending or intermediate between those of the dominant and recessive traits
imcomplete dominance
The ____ of the blastocyte becomes the embryo with further development
inner cell mass
The myometrium
is the thick, middle layer of the uterus
The hormone which "triggers" the rupture and release of the "egg cell"
luteinizing hormone
The trigger for ovulation is a relatively high surge in the hormone ___ at day 14
luteinizing hormone
Which hormone stimulates the interstitial cells to produce androgens?
luteinizing hormone
The process of forming gametes, either sperm cells or egg cells, involves the cell division called
meiosis
the shedding of endometrial tissue from the uterus during the menstrual cycle is called
menstruation
The contraceptive method that prevents ovulation is a
oral contraceptive
The primary female sex organ are the
ovaries
Production of egg cells occur in the ovarian follicles of the
ovary
The rupture of an ovarian follicle and release of the "egg cell" is called
ovulation
Labor contractions are the result of the interaction of hormones and substances like
oxytocin and prostaglandin
Which female structure is homologous to the prostate gland?
paraurethral gland
The duct that passes through the shaft of the penis is the
penile urethra
The way that genetic makeup is expressed in the body is called an individual's:
phenotype
The ______ forms from the chorion and the decidua basalis
placenta
the non-viable cell with little cytoplasm resulting from oogenesis are called a
polar body
Human traits like skin color, height, metabolic rate, and intelligence exhibit
polygene inheritance
Circumcision involves removal of the
prepuce
The type of follicle that has a single layer of cuboidal cells surrounding the "egg cell" is a
primary follicle
Which ovarian follicle has simple cuboidal cells surrounding the oocyte and is first stimulated by FSH?
primary follicle
The oogenic cells that begin the first meiotic division are called
primary oocyte
The type of spermatogenic cell that continues into prophase I is the
primary spermatocyte
What hormone causes the uterine lining to thicken so it will better be able to support a developing embryo?
progesterone
The hormone which stimulates the mammary glands to produce milk is
prolactin
the phase of the uterine cycle associated with rebuilding the endometrial lining is the
proliferative phase
The male sex organ that secretes a milky fluid containing citrate to nourish male gametes and fibinolysin to liquefy semen after ejaculation
prostate gland
The male structure that houses the testes
scrotum
The "egg cell" that is released is actually a
secondary oocyte
The actual egg that is ovulated is a
secondary oocyte
The actual gamete that is ovulated in females is the
secondary oocyte
The oogenic cells that are fertilized are called a
secondary oocyte
What type of egg cell is ovulated from the ovary?
secondary oocyte
The male sex organ that secretes a fructose containing alkaline fluid to nourish male gametes and neutralize vaginal secretions
seminal vesicles
Spermatogenesis occurs within the
seminiferous tubules
Spermatogenic cells that result from spermiogenesis are
sperm
The mature male gametes are called
sperm
Formation of functional sperm with a flagellum from the spermatid is called
spermiogenesis
Lactation refers to
the production of milk by the mammary glands
Fertilization of the egg cell by a sperm would occur in the
uterine tube
Sterilization of a man with a vasectomy involves severing the
vas deferens
The ______ runs upward as part of the spermatic cord from the epididymis through the inguinal canal into the pelvic cavity
vas deferens
The duct that connects the epididymis to the ejaculatory duct is the
vas deferens
The spermatic cord is formed from blood vessels, nerve fibers, and the
vas deferens
The joining of the male pronucleus and female pronucleus in the fertilized egg results in the development of the ____, the first cell of the new individual
zygote
The pituitary hormone that stimulates susentacular cells to form ABP is
FSH (Follicle Stimulating Hormone)
The type of follicle that ruptures and releases an "egg cell" is a
Graafian follicle
What happens to semen when it is first ejaculated?
It congeals into a sticky mess
The hormone responsible for development of testosterone secreting cells is
LH (Luteinizing Hormone)
The structures in the testes that produce testosterone are
Leydig cells
The meiotic phase resulting in primary spermatocytes
NOT MEIOSIS
The meiotic phase resulting in spermatogonia
NOT MEIOSIS
What process allows for the erectile tissue to fill with blood?
Parasympathetic activity relaxes penile arterioles
Simple dominant-recessive inheritance can be analyzed for the possible gene combinations with a
Punnett square
How many pairs of homologous chromosomes do humans have?
23 pairs
A man and a woman are heterozygous for sickle cell trait. What is the probability of their offspring having sickle cell anemia?
25%
A man is heterozygous blood type A and a woman is heterozygous blood type B. What is the probablity of their offspring having blood type AB?
25%
Development of a full term fetus from a fertilized egg generally occurs by the
38th week
If an individual with that has a dominant and a recessive allele mates with an individual with two recessive alleles, what percentage of their offspring would you expect to have the dominant trait?
50%
If an individual with that has a dominant and a recessive allele mates with an individual with a dominant and a recessive allele, what percentage of their offspring would you expect to have the dominant trait?
75%
The embryonic period lasts until the end of the
8th week
The fetal period starts after that
8th week
The main internal organs are established by the
8th week
What is an example of codominance
AB blood type
Which procedure uses fetal cells sloughed off into the fluid surrounding the fetus to determine if there are genetic problems?
Amniocentesis
A quick assessment of neonate health is the
Apgar score
The _____ is involved in maturation of sperm by which sperm acquire motility
epididymis
The _____ is the sotorage site of sperm
epididymis
The duct that passes through the ureogenital diaphragm is the
membranous urethra
____ refers to a young woman's first menstrual period
menarche
Cessation of a women's menstrual cycle is called
menopause
The ___ phase of the uterine cycle occurs when the endometrium degenerates and sheds
menstrual
Phase in the uterine cycle resulting from a decrease in female sex hormones is the
menstrual phase
The primary germ layer that develops into the muscle tissue
mesoderm
During what phase of mitosis do the chromosomes line up in the middle line?
metaphase
The elevation of adipose tissue that cushions the pubic symphysis is the
mons pubis
The name of the cell mass produced by cleavage of the zygote
morula
The projection of the breasts is the _____ and this projection is surrounded by a circular pigmented _____ that contains many sebaceous glands
nipple, areola
Which of the following explains Kleinfelter syndrome?
nondisjunction of the sex chromosomes
Which of the following explains Turner syndrome?
nondisjunction of the sex chromosomes
The primary female sex organ of the reproductive system produces gametes called
oocyte
Females are incapable of sexual reproduction through their entire lifespan because all of the ___ have differentiated into ___ which are arrested into meiosis
oogenia, primary oocytes
During what phase of the female sexual response does the uterus contract rhythmically and the woman may ejaculate
orgasm
Pleasurable feelings occurring during and after expulsion of semen is called
orgasm
Where are the ovarian follicles found in the ovary
ovarian cortex
The corpus luteum is formed after
ovulation
The rupture of an ovarian follicle and release of the egg cell is called
ovulation
A man is homozygous blood type B and a woman is homozygous blood type O. What is the probablity of their offspring having blood type O?
0%
A man has sickle cell anemia and a woman has normal hemoglobin. What is the probability of their offspring having sickle cell trait?
100%
Implantation in the uterus begins by the ____ after fertilization
1st week
The cleavage period lasts until the end of the
1st week
The type of follicle that ovulates a secondary oocyte is the
Graafian follicle
What is aneuploidy?
Individuals having one extra or one less chromosome
The ______ secrete testosterone and other androgens
Interstitial cells
In which pattern of genetic expression would the expression of a trait depend on several genes at different locations?
Polygenic inheritance
Which of the following can be used to predict the phenotype of offspring?
Punnett square
The hormone which promotes the return of the uterus to pre-pregnant size
oxytocin
Taller than average females
Triple X syndrome
An individual with Turner syndrome would only have one copy of which chromosome?
X chromosome
Results from nondisjunction in father's sperm during the second meiotic division
XYY condition
What chromosome determines the gender of the individual
Y chromosome
Which chromosome determines the gender of an individual
Y chromosome
An allele that masks the phenotype of other alleles for the same trait is said to be
dominant
Having 3 copies of chromosome 21 causes what genetic condition?
down syndrome
Which fetal structure develops into the ligamentum arteriosum after birth?
ductus arteriosus
Which structure shunts blood from the pulmonary artery to the aorta?
ductus arterosus
Which structure shunts the blood from the liver?
ductus venosus
The nervous system is derived from the
ectoderm
Forceful expulsion of seminal fluid from the urethra is called
ejaculation
The _____ is a short tube that connects the vas deferens to the urethra
ejaculatory duct
The _____ is a uterine layer consisting of simple columnar epithelium and glands
endometrium
The layer that changes during the menstrual cycle is the
endometrium
Surgical procedure often used to prevent undue tearing of the perineal region
episiotomy
The ovaries produce the hormones ____ and ____
estrogen, progesterone
The ____ urethral sphincter of the male reflexively relaxes to allow ejaculation
external
An ovulated secondary oocyte is captured by fingerlike projections called
fimbriae
Stimulation of ovarian follicles to enlarge and secrete estrogen is due to
follicle stimulating hormone
The hormone androgen binding protein is secreted when sustentacular cells are stimulated by ___ from the pituitary gland
follicle stimulating hormone
The structure that produces both hormones and egg cells is the ovarian
follicles
The ____ hase of the uterine cycle refers to the thickening of the endometrium
follicular
What term refers to the degeneration of ovarian follicles in the ovary
follicular atresia
The phase of the ovarian cycle that occurs prior to ovulation is the
follicular phase
Which structure connects the right atrium to the left atrium to bypass the pulmonary circulation during fetal development?
foramen ovale
The ____ is removed in a circumcised male
foreskin (prepuce)
The hormone which promotes the return of the uterus to the pre-pregnant size
oxytocin
WHich particular genes an individual has is their
genotype
The ____ glands release mucus during sexual arousal and provide lubrication to facilitate vaginal intercourse
greater vestibular
The ____ is homologous to the bulbourethral gland
greater vestibular gland
What does it mean to be homozygous
having the same alleles for the trait
An individual that has two different alleles at a locus would be considered _____ for that trait
heterozygous
An individual who is a carrier for a genetic condition, but does not have the condition must have which genotype?
heterozygous
An individual that has the same alleles at a locus would be considered ____ for that trait
homozygous
When does the second meiotic division of the secondary oocyte occur?
just after penetration by a sperm
When during the female reproductive cycle would you expect to find a surge in the concentration of luteinizing hormone?
just before ovulation
Which test can be done to examine the number and structure of chromosomes that an individual has?
karyotype
The ___ is homologous to the scrotum
labia majora
The ____ are skin folds covered by pubic hair and containing an abundance of adipose tissue, sebaceous glands, and apocrine sweat glands
labia majora
The ____ are hair free skin folds that contain many sebaceous glands
labia minora
The ____ is homologous to the penile (spongy) urethra
labia minora
The birth process forcing the fetus through the birth canal is known as
labor
The production and ejection of milk from the mammary glands in the breast is called
lactation
Milk is expressed through many ____ that penetrate the surface of the nipple
lactiferous ducts
Genes that can be found on the same chromosome are considered to be
linked
What term refers to the location of a gene on the chromosome?
loci
The phase of the ovarian cycle that ebgins after ovulation is the
luteal phase
The phase of the ovarian cycle that varies the least is the:
luteal phase
Ovulation tests detect the relative level of the hormone ____ in urine
luteinizing hormone
The hormone responsible for development of testosterone secreting cells is
luteinizing hormone
The pituitary gland secretes ____ that stimulates the interstitial cells
luteinizing hormone
The trigger for ovulation is a relative surge in the level of
luteinizing hormone
Genes are the X chromosomes are expressed in
males and females
The breast contains adipose tissue and a modified sweat gland called a ____ gland
mammary
The process of forming gametes, either sperm cells or egg cells, involes the cell division called
meiosis
The type of follicle that is quiescent and waiting for a signal to begin further development is a
primordial follicle
The hormone which maintains the endometrium
progesterone
The follicular cells of the developing ovarian follicles secrete estrogen during the ___ phase of the ovarian cycle
proliferative
DUring which phase of meoisis does crossing over occur?
prophase I
ABout 20% of the volume of semen is produced by the
prostate gland
Urination may be difficult in older men due to hyperplasia of the
prostate gland
Urinary retention may occur in males during to benign prostatic hyperplasia (BPH) constricting the ____ urethra
prostatic
The duct that passes through the prostate gland is the
prostatic urethra
The male urethra is subdivided into the ______ urethra, _______ urethra, and ______ urethra
prostatic, membranous, and penile
The cells that develop fingerlike extensions into the endometrium
trophoblast
The ____ is a capsule of fibrous connective tissue covering the ovaries
tunica albuginea
The fibrous connective tissue layer that subdivides the testes into lobules is the
tunica albuginea
Fraternal twins result from
two eggs fertilized by two sperm
Which structure brings blood to the fetus from the placenta?
umbilical vein
Which structure contains blood with the highest oxygen content?
umbilical vein
Fertilization of a secondary oocyte occurs in the
uterine tube
The perstaltic contractions and cilia of the ____ help propel the egg cell toward the pear shaped muscular organ
uterine tube
Implantation and development of the offspring occurs in the
uterus
What is the name of the structure that contains glands to secrete mucus and moisten and lubricate tissues of the female reproductive tract
uterus
Female sex organ that receives the erect penis during sexual intercourse
vagina
The sperm travel along the ____ by peristaltic contractions during emission
vas deferens
Semen contains secretions from the following structures EXCEPT the
vestibular glands
The external female genitalia is called the
vulva
The first source of blood cells in the embryo
yolk sac
What is the term for the new individual after two pronuclei fuse?
zygote
