Reproductive System (Female Genital Organs, Devt of EG) Flashcards Preview

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Flashcards in Reproductive System (Female Genital Organs, Devt of EG) Deck (12):
1

____________ epithelium
- modified area of peritoneum covering the ovary
- _______________ epithelium
- beneath is a thin fibrous capsule, the _______________
Outer ________ - contains ovarian follicles
Inner medulla

Germinal epithelium
- modified area of peritoneum covering the ovary
- simple cuboidal epithelium
- beneath is a thin fibrous capsule, the tunica albuginea
Outer cortex - contains ovarian follicles
Inner medulla

2

_________ ovarian vein drains to the IVC

Right

3

UTERINE/FALLOPIAN TUBES (___ cm long)
- in the upper border of broad ligament
Arteries/veins: __________ and __________
Lymph drainage: _________ LNs, ________ LNs
Nerve supply: _________ and ___________
Four parts:
- ___________: funnel-shaped with fimbrae draped over ovary
- ___________: widest and longest part; site of fertilization; begins to widen distally
- ___________: narrowest portion of tube; ligated during surgery; just lateral to the uterus
- ___________: pieces the uterine wall

UTERINE/FALLOPIAN TUBES (10 cm long)
- in the upper border of broad ligament
Arteries/veins: uterine and ovarian
Lymph drainage: internal iliac LNs, para-aortic LNs
Nerve supply: superior and inferior hypogastric plexus
Four parts:
- infundibulum: funnel-shaped with fimbrae draped over ovary
- ampulla: widest and longest part; site of fertilization; begins to widen distally
- isthmus: narrowest portion of tube; ligated during surgery; just lateral to the uterus
- intramural: pieces the uterine wall

4

UTERUS
- in a young nulliparous adult, it measures about:
--- ___ cm long
--- ___ cm wide
--- ___ cm thick
Anteflexion - forward bending of uterus along long axis of body of uterus on cervix (160 to 170 degrees)
FLEXION - relation between ______ and cervix
Anteversion - forward bending of uterus on long axis of vagina
VERSION - relation between uterus and vagina (90 degrees)
Arterial supply: ________ (from internal iliac) and ______
Veinous drainage: ______ and _______
Lymph drainage
-- fundus: __________ LNs
-- body cervix: ________ and _______ LNs
Nerve Supply: _______________ plexus

UTERUS
- in a young nulliparous adult, it measures about:
--- 8 cm long
--- 5 cm wide
--- 2.5 cm thick
Anteflexion - forward bending of uterus along long axis of body of uterus on cervix (160 to 170 degrees)
FLEXION - relation between body and cervix (Think: BF body flexion)
Anteversion - forward bending of uterus on long axis of vagina
VERSION - relation between uterus and vagina (90 degrees)
Arterial supply: uterine (from internal iliac) and ovarian
Veinous drainage: uterine and ovarian
Lymph drainagei
-- fundus: para-aortic LNs
-- body cervix: internal and external iliac LNs
Nerve Supply: inferior hypogastric plexus

5

The phase of the menstrual cycle that coincides with functional activity of the corpus luteum and primarily influenced by progesterone secretion

Secretory phase

6

The stratum functionalis of endometrium that undergoes changes during menstrual cycle is shed during menstruation is histologically and functionally made up of what layers?

Stratum compactum, stratum spongiosum

7

VAGINA
- cervix pierces its ________ wall
Relations:
- upper half: between pelvis and rectum
- lower half: within peritoneum, between urethra and anal canal
Arteries:
- _________ artery (from internal iliac)
- vaginal branch of _________ artery
Veins: _____________ veins
Lymph drainage
- upper 1/3 - ___________ and ___________ LNs
- middle 1/3 - ___________ LNs
- lower 1/3 - ___________ LNs
Nerve supply: ____________ plexus

VAGINA
- cervix pierces its anterior wall
Relations:
- upper half: between pelvis and rectum
- lower half: within peritoneum, between urethra and anal canal
Arteries:
- vaginal artery (from internal iliac)
- vaginal branch of uterine artery
Veins: internal iliac veins
Lymph drainage
- upper 1/3 - internal and external iliac LNs
- middle 1/3 - internal iliac LNs
- lower 1/3 - superficial inguinal LNs
Nerve supply: inferior hypogastric plexus

8

VAGINAL EXAMINATION (must-know)
The following structures can be palpated through vaginal walls from above downward:
Ant: _________ and ______
Post: loops of ______ and ________ colon in pouch of Douglas, rectal ________, and _______ body
Lat : ureters, pelvic fascia, levator ani muscle, urogenital diaphragm

VAGINAL EXAMINATION (must-know)
The following structures can be palpated through vaginal walls from above downward:
Ant: Bladder and urethra
Post: loops of ileum and sigmoid colon in pouch of Douglas, rectal ampulla, and perineal body
Lat: ureters, pelvic fascia, levator ani muscle, urogenital diaphragm

9

FEMALE - MALE HOMOLOGUES
clitoris - _________
greater vestibular glands - ____________
vagina,uterus - ______________
Fallopian tube - ______________

FEMALE - MALE HOMOLOGUES
clitoris - penis
greater vestibular glands - bulbourethral/Cowper's glands
vagina,uterus - prostatic utricle
Fallopian tube - vas deferens

10

DEVELOPMENT OF EXTERNAL GENITALIA
- 4th week - _____________ produces the genital tubercle
- up to the ____ week, the external genitalia are sexually undifferentiated
- genital tubercle elongates to form a phallus and labioscrotal swellings
MALE EXTERNAL GENITALIA
- phallus enlarges and elongates to form the __________, ___________, and ___________
- ______________ form the ventral aspect of penis and spongy urethra
- ______________ grow toward each other and fuse to form the scrotum
FEMALE EXTERNAL GENITALIA
- growth of phallus ceases -> clitoris
- _______________ -> labia minora (unfused), frenulum (fused)
- _______________ -> labia majora (unfused), anterior and posterior labial commisures and mons pubis (fused)

DEVELOPMENT OF EXTERNAL GENITALIA
- 4th week - mesenchyme produces the genital tubercle
- up to the 7th week, the external genitalia are sexually undifferentiated
- genital tubercle elongates to form a phallus and labioscrotal swellings
MALE EXTERNAL GENITALIA
- phallus enlarges and elongates to form the penis, corpora cavernosa, and corpus spongiosum
- urogenital folds form the central aspect of penis and spongy urethra
- labioscrotal swellings grow toward each other and fuse to form the scrotum
FEMALE EXTERNAL GENITALIA
- growth of phallus ceases -> clitoris
- urogenital folds -> labia minora (unfused), frenulum (fused)
- labioscrotal swelling -> labia majora (unfused), anterior and posterior labial commisures and mons pubis (fused)

11

PENILE ANOMALIES:
______________ - external urethral orifice is on the ventral side of the glans penis (glandular), body of penis (penile), or junction of penis and scrotum (penoscrotal)
______________ - external urethral orifice is on the dorsal side of the penis

PENILE ANOMALIES:
HYPOSPADIAS - external urethral orifice is on the ventral side of the glans penis (glandular), body of penis (penile), or junction of penis and scrotum (penoscrotal)
EPISPADIAS - external urethral orifice is on the dorsal side of the penis

12

Lymphatic drainage of external genitalia

Superficial inguinal LNs