Female Reproductive System Flashcards

1
Q

Small, Almond-shaped structure

A

OVARY

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2
Q

Two primary function of ovary

A

Gametogenesis
Steroidgenesis

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3
Q

Two regions of ovary

A

Cortex (yellow) with ovarian follicles

Medulla (green) with Loose CT, blood vessels, lymphatics,
nerves

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4
Q

OVARY epithelium

A

Germinal epithelium of Simple cuboidal/squamous
epithelium: continuous with Mesovarium lining

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5
Q

Primordial germ cells of ovary:

A

Extragonadal origin; Migrate
from embryonic yolk sac into gonads

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6
Q

SITE OF FOLLICULAR DEVELOPMENT of ovary

A

Ovarian follicles provide env’t for
Oocyte development

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7
Q

Ovarian Follicle groups:

A

Primordial
Growing
Mature / Graffian

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8
Q

Earliest development stage,
Appear at 3rd fetal month;

A

Primordian follicle

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9
Q

Growing follicles classification:

A

Unilaminar primary
Multilaminar primary
Secondary / Antral
follicles

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10
Q

Primary oocyte with single layer of cuboidal follicular cells

A

Unilaminar primary follicles:

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11
Q

Multilaminar primary follicle:

A

Primary oocyte with several layers
of granulosa (follicular cells)

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12
Q

Granulosa cells proliferate and stromal cells secrete a circumferential layer of cells called

A

Theca Folliculi

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13
Q

Theca Folliculi:

A

Theca Interna
Theca Externa

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14
Q

inner layer,
highly vascularized cells,
Secrete Androstenedione upon
LH Stimulation

A

Theca Interna

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15
Q

Outer CT layer with
Smooth muscle and collagen fiber bundles

A

Theca Externa

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16
Q

Maturing
primary follicles move deeper into cortex
and develop ANTRUMS

A

Secondary / Antral follicle

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17
Q

cavities with Liquor Folliculi
- distinguishing characteristic of secondary follicle

A

Antrums

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18
Q

most mature soon release primary oocyte via Ovulation

A

Graffian follicle / Mature

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19
Q

With Granulosa cell stalk called

A

Cumulus Oophorus

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20
Q

With Granulosa cell layer surrounding primary oocyte called

A

Corona Radiata

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21
Q

Ovarian follicles that
Degenerate before fully Maturing.

A

Atretic follicle

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22
Q

re-organized collapsed follicle (Post-Ovulation)

A

Corpus luteum

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23
Q

secretes progesterone & estrogen
to maintain endometrium for implantation

A

Corpus luteum

24
Q

Two types of cells of ovary

A

Granulosa Lutein
Theca lutein

25
derived from: granulosa cells
Granulosa Lutein
26
derived from Theca Interna cells
Theca lutein
27
CL degenerates and forms White scar called
Corpus Albicans
28
Post-Ovulation:
10-12 days
29
Oviduct a.k.a
Fallopian tubes Uterine tubes Salpinges
30
All are short muscular tubes with one end opening to the peritoneal cavity; one end communicating with uterine cavity
Oviduct
31
Oviduct function:
transport oocyte from ovary to uterus : provide necessary environment for fertilization and early development of zygote
32
Oviduct Segments
Ifundibulum Ampulla (longest segment; site of fertilization) Isthmus Intramural portion
33
Three layers of oviduct
Mucosal Muscular Serosal
34
inner layer with thin longitudinal folds Projecting into lumen
Mucosal
35
middle layer with inner circular and Outer longitudinal smooth muscle layers
Muscular
36
outer layer with mesothelium & CT of Mesosalpinx
Serosal
37
Mucosal layer
simple columnar with ciliated low cells (black) and non-ciliated peg cells
38
Ciliated low cells
help transport oocyte to uterus
39
secrete sperm capacitation factors
Peg cells
40
Proliferative stage thick muscular layer Outer longitudinal layer Middle longitudinal layer Longitudinal layer All smooth muscle layers
Myometrium
41
Simple cuboidal Lamina propria Secretory glands Endometrium : Stratum functionale Stratum Basale
Mucosal layer / Endometrium
42
Sec. of uterus in Secretory Stage
Myometrium Endometrium Stratum functionale Stratum basale
43
– longest in secretory phase menstruation, which is regulated by Progesterone.
S. functionale
44
Menstrual stage
Myometrium Endometium S. functionale S. basale
45
Inferior portion of uterus that protrudes into the vagina Distinct from the body and fundus of uterus Uterine cervix mucous-secreting simple columnar epithelium and glandular folds
Cervix
46
Epithelium of cervix
stratified squamous parakeratinized
47
site of many cervical cancers
Cervical-epithelial junction
48
Vaginal Layers:
Mucosa Muscularis Adventitia
49
stratified squamous parakeratinized epithelium that secretes glycogen; no glands in lamina propria glycogen – metabolizes lactic acid (via bacteria) lactic acid – lowers ph & provides protection
Vaginal mucosa
50
inner circular and outer longitudinal smooth muscle layers; No muscularis mucosa Note: the vagina can be distinguished from esophagus by the absence of M. mucosa
Muscularis
51
dense fibroelastic CT Adheres vagina to surrounding pelvic contents
Adventitia
52
highly modified sweat glands; identical in males and females until puberty
Mammary gland
53
few lobules Abundant CT & adipose
Inactive Mammary gland
54
simple cuboidal epithelium surrounded by loose CT
Intralobular ducts
55
A sect. of active mammary gland Significant proliferation and development during pregnancy Abundant glandular lobules Less CT and adipose tissue Alveoli and ducts with simple cuboidal epithelium Secrete colostrum/Milk (yellow) via Apocrine secretion
Active mammary gland