Reproductive system
What does the prostate gland produce?
a milky alkaline fluid that activates sperm
what does the bulboune thral gland secrete?
a mucus-like fluid that cleanses the urethra of acidic urine
What does the vagina provide?
a passageway for the delivery of an infant and for the menstrual flow to leave the body
What are the duct system?
accessory organs that transports sperm from testes
*definition* an enzyme-containing structure covering the nucleus of the sperm
acrosome
What is a vastectomy?
birth-control for me
What do both reproductive systems do?
both produce sex cells or gametes and secrete sex hormones
How long does fertilization last?
3-4 days
How many sperm are produced in meiosis?
4
How much percent of fluid volume of semen doe the seminal vesicles produce?
60%
How long does spermatogenesis take?
64-72 days
What nutrients are in sperm?
only small amounts
What is oogenesis?
process of producing eggs
what do the ovaries do?
produce egg
What is the purpose of the reproductive system?
produce offspring
What is the chief role of the male reproductive system?
produces sperm and testosterone
What is the function of the vas deferens?
propels live sperm into the ejacelatory duct then the urethra
What is a slow glowing, hidden condition, but can be a swift and deadly killer in men?
prostate cancer
What are some environmental threats that can alter the normal process of sperm formation?
radiation, pesticides, marijuana, tobacco, and alcohol
What does the uterus do?
receives, retains, and nourishes a fertilized egg
What is a divided sac of the skin that hangs outside the abdominal cavity and holds the testes.
scrotum
*definition* fluid mixture produced by male reproductive structures; contains sperm, nutrients, and mucus
semen
What is a white milky mixture of sperm and accessory gland secretions?
semen
*definition* convoluted tubes within the testes that form sperm
seminiferous tubules
what are inside of the testes?
seminiferous tubules and interstitial cells
What are the three regions of the penis?
shaft, glans penis-tip, and foreskin (removed at birth)
What do male reproductive systems produce?
sperm
What is spermatogenesis?
sperm production
What are seminiferous tubules?
sperm-forming factories
What are interstitial cells?
surround the seminiferous tubules and produce male sex hormones
What are the ligaments that hold the ovaries?
suspensory ligaments, ovarian ligaments, and broad ligaments
What is the third region of mature sperm?
tail
males have what?
testes
*definition* the male primary sex organ that produces sperm
testis
What does testosterone stimulate?
the male's reproductive organs to develop to their adult size and causes secondary sex cells
What is menopause?
the period in which a woman's reproductive ability is ending
What can the environmental threads in sperm cause?
the production of 2-headed and multiple tailed sperm
How long are sperm produced in males?
throughout their whole life
How big are sperm?
tiny
Where does the urethra carry sperm?
to the body exterior
Where does the vas deferens run?
up from the epididymis and over the bladder
*definition* the tube through which the ovum is transported to the uterus; also called the fallopian tube
uterine tube
What is cut out during a vastectomy?
vas deferns
Can sperm move?
yes
Do sperm have tails?
yes
*definition* fertilized ovum, produced by union of the two gamete
zygote
What occurs in the fallopian tubes?
fertilization
Sperm and Ova join together to produce what?
fertilized egg
What happens in the endometrium
fertilized eggs burrow
*definition* the unborn young; in humans the period form the third month of development until birth
fetus
What does the fimbriae create?
fluid currents that act to carry the oocyte into the uterine tube
*definition* 1) structure in an ovary consisting of a developing egg surrounded by follicle cells 2) colloid-containing structure in the thyroid gland
follicle
What is the purpose of the third region of the mature sperm?
for movement and swimming
What do seminal vesicles add to sperm as they pass?
fructose and other substances
primary sex organs are known as what?
gonads
What do the fallopian tubes receive?
he ovulated oocyte?
What is the first region of mature sperm?
head
When are eggs produced in females?
in the womb; she will have all the eggs she will ever have at birth
How long is a menstrual cycle?
2 varies from 1-40 days
How long is the sperm's journey through the epididymis?
20 days
What does the head in the sperm contain?
DNA
What are the secondary male sex characteristics?
deep voice, increase in hair growth, increase in size of skeletal muscles and bones
What do male reproductive systems do with the sperm?
deliver sperm to the female reproductive tract
How many eggs are produced in meiosis?
1
What is the epididymis?
comma=shaped structure on the superior part of the testes
What does the mid-piece in the sperm contain?
contain energy
What are some secondary sex characteristics?
development of breasts, appearance of axillary and pubic hair, widening and lightening of the pelvis, menstrual cycle starts, increased deposits of fat beneath the skin, enlargement of accessory organs
What delivers sperm in males?
ducts and glands
When does spermatogenesis begin?
during puberty
*definition* not in the normal place; the egg is implanted at a place other than the uterus
ectopic pregnancy
*definition* the sudden ejection of semen from the penis
ejaculation
*definition* an organism in its early stages of development in humans, the first two months after conception
embryo
*definition* the portion of the male duct system in which sperm mature; empties into the ductus or vas deferens
epididiymis
What are the endocrine products of the ovaries?
estrogen and progesterone
How big are eggs?
large
What nutrients are in eggs?
large amounts
*definition* the periodic cyclic discharge of blood, secretions, tissue, and mucus from the mature female uterus in the absence of pregnancy
menstruation
What is the second region of mature sperm?
mid-piece
how many sperm do males make per day?
millions
Can eggs move?
no
Do eggs have tails?
no
what do female reproductive systems produce?
ova
What are the exocrine products of the ovaries?
ova or eggs
What are the primary female reproductive organs?
ovaries
females have what?
ovaries
*definition* the female sex organ in which ova are produced
ovary
*definition*the release of an ovum from the ovary
ovulation
*definition* the female gamete; an egg
ovum
What is the pH of semen?
pH is 7.2-7.6
What delivers sperm into the female reproductive tract?
penis
*definition* a minute cell produced during meiosis in the ovary
polar body