OB/GYN Test 2 part 1

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The embryonic phase begins and extends into the

4th- 8 weeks

A hypoplastic uterus produces

A small endometrium and myometrium

Absence of a menstrual period is referred to as

Amenorrhea

thin protective membrane initially overlying the embryonic disc

Amnion

The uterine position in which the corpus tilts forward and comes in contact with the cervix describes

Anteflexion

The most common uterine anomaly is the

Bicornis unicollis

A fold of peritoneum that connects the uterus to the pelvis

Broad ligaments

Cavity that is part of the digestive and reproductive organs

Cloaca

The area of attachment of the fallopian tubes within the uterus is the

Cornua

single layer of cells close to the inner cell mass in the blastocyst

Cytotrophoblast

Having 2 full sets of chromosomes

Diplod

Mullerian ducts fuse to develop the uterus and the

Fallopian tubes

Germ cells that migrate from the yolk sac to the gonadal region form

Genital ridges becoming sex cords

Having a single set of chromosomes

Haploid

Sperm secretes this after 4-6 days in the female genital track to dissole the corona radiata to allow fertilization.

Hyaluronidase

The short and narrow segment of the fallopian tube distal to the interstitial segment is the

Isthmus

The inner layer of the wall of the fallopian tube is the

Mucosal layer

Ductal segments that create the uterovaginal canal forming the uterus, cervix, and majority of the vagina originate as

Mullerian ducts

term for the three embryonic germ layers

Trilaminar disc

A sac=like vascular structure that lies below the chorion and develops from the hindgut

allantois

Early rapid cell division of zygote

cleavage

Fuse to form the zygote

oocyte and spermatazoon

Immature oocyte

oogonia

Complete failure of the median septum to be reabsorbed

septate uterus

An important role of trophablasts

to secrete HCG

Anomaly that results in one vagina, one cervix, and two uterine horns

uterine bicornis unicollis

Anomaly that results in one cervix and one uterine horn

uterus unicornis unicollis

The most distal part of the fallopian tube is the

Infundibulum

Develops into the embryo, cord, amnion and secondary yolk sac

Inner cell mass

The paired embryonic ducts that develop into the Female urogenital tract are the

Mullerian ducts

The female sex cells that grow within the ovaries

Ova

Anomalies related to abnormal differentiation of the wolffian and mullerian ducts are of

Renal origin

innermost layer of the endometrium and part of the stratum functionalis

Stratum compactum

middle layer of the endometrium and part of the stratum functionalis

Stratum spongiosum

thick outer trophoblastic layer of the blastocyst in contact with the endometrium

Syncytiotrophoblasts

Congenital malformation of the uterus that results in complete duplication of the genital tract is

Uterus didelphys

transparent noncellular membrane that encloses the ovum

Zona pellucida

The normal position of the uterus is

anteverted

Mechanism by which the uterine septum regresses

apoptosis

Shortly after the morula enters the uterine cavity it becomes a

blastocyst

Accumulation of secreted fluid resulting in distention of the uterus and vagina due to obstruction

hydrometrocolpos

Connection between the mesonephros and the cloaca

mesonephric ducts

Partial failure of the medial septum to be reabsorbed

subseptate uterus

Development abnormalities in the female pelvis often become apparent at

the onset of puberty

The mildest fusion anomaly, resulting in a partial indentation of the uterine fundus with a normal endometrial cavity; considered a normal variant

uterus arcuatus

initial germ cell with 46 chromosomes

Oogonium

Uterus bicornis bicollis and uterus bicornis unicollis (to include uterus arcuatus) result from

Partial fusion failure

Structure that appears at approximately 5 weeks gestation that becomes either ovaries or testes

gonadal ridges

develops into the trophoblasts

outer cell mass

Anomaly that results in one vagina, two cervices, and two uterine horns

uterus bicornis bicollis


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