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Medical Histology > Female Reproductive system > Flashcards

Female Reproductive system Flashcards

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USMLE® Step 1 flashcards
1
Q

Mesothelium (germinal epithelium)

A

Epithelial layer of cells surrounding the ovary, site of 70% of ovarian tumors

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2
Q

Tunica Albuginea

A

The CT capsule just deep to the mesothelium

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3
Q

Types of ovarian follicles

A

Primordial
Primary
Secondary

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4
Q

Primordial follicle features

A

-Single layer of flattened cells, primary oocyte

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5
Q

Primary (early) follicles

A

-Single layer, cuboidal follicle cells, primary oocyte

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6
Q

Primary (late, multilaminar) follicles

A

Growth of oocyte with several layers of follicular cells

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7
Q

Secondary (antral) follicles

A
  • Appearance of follicular fluid with theca interna and externa
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8
Q

Theca interna

A

Make estrogen (contain aromatase)

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9
Q

Theca externa

A

Myofibroblast, contract in response to LH surge

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10
Q

Mature (Graafian) follicle

A

Secondary Oocyte, clear corona radiata

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11
Q

Corpus luteum

A

Yellow body after ovulation, breakdown of basement membrane and ingrowth of blood vessels, differentiation into theca lutein cells and granules a lutein cells

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12
Q

Corpus luteum secretion

A

Unkept by hCG, secretes progesterone to upkeep preganancy

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13
Q

Corpus albicans

A

Collagenous scar if no/after pregnancy, Appears cloud like

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14
Q

Follicular atresia

A

Death and resorption of the follicle, most have this fate

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15
Q

Glassy membrane

A

Thickening of basement membrane following follicular atresia

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16
Q

Uterine tube

A

Also called Fallopian tube, transports eggs to the uterus

17
Q

Segments of the Fallopian tube (4)

A
  • Infundibulum
  • Ampulla
  • Isthmus
  • Intramural
18
Q

Infundibulum

A

First segment, funnel shaped with fimbriae, many ciliated cells

19
Q

Fimbriae

A

finger like projections from the Infundibulum

20
Q

Ampulla

A

Usually where fertilization occurs

21
Q

Peg cells

A

Not ciliated, secretes mucous

22
Q

Layers of the uterus

A

Perimetrium
Myometruim
Endometrium

23
Q

Layers of endometrium

A
  • Stratum functionale- lost during ,enstruation, contains tubular uterine glands, spiral arteries
  • Stratum basale- both glands and arteries retained during menstruation
24
Q

Stages of endometrium (hormone of control)

A
  • Proliferative stage (estrogen)
  • Secretory stage (progesterone)
  • Mentrual (ischemic) loss of CL hormones arteries constrict in functionale
25
Q

Uterine cervix segments

A 
Internal Os (simple columnar)
External Os (SSNKE)

Metaplasia at squamocolumnar junction is precancerous, pap smear

26
Q

Proliferation of mammary ducts

A

Prolactin

27
Q

Ejection of milk

A

Oxytocin

Medical Histology (19 decks)

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