Female Reproductive System Flashcards
Functions of the female reproductive system?
- produce gametes (oocytes)
2. support developing embryo
Ovaries
lateral to uterus
–> where oocytes are produced/released
What are the ovaries help in place by?
mesenteries + ligaments (mesovarium, suspensory, and ovarian ligaments–> all within the broad ligament in the peritoneum that hangs over the uterus)
Where does the suspensory ligament attach?
ovary to the pelvic wall
What does the ovarian ligament attach?
the ovary to the uterus
What are the subdivisions of the ovaries?
- cortex
- medulla
- -> surrounded wholly by tunica albuginea
Ovary: cortex
holds gametes (oocytes) --> each oocyte is held within a follicle
Ovary: medulla
loose CT filled with blood vessels, nerves, and lymphatic vessels
Oogenesis
- Primary oocytes begin to mature within growing follicles
- primary oocyte completes meiosis I to become secondary oocyte
- Secondary oocyte begins meiosis II and is released during ovulation when follicle ruptures
- A corpus luteum developes from follicle remnants
- The corpus luteum degenerates if secondary oocyte is not fertilized
- -> into fallopian tubes
Uterine Tubes
a. k.a. Fallopian Tubes
- begin at infundibulum (recieves egg) and end at the uterus –> fimbriae
What are the uterine tubes surrounded by?
ciliated fimbria –> help egg pass into oviduct
b/c infundibulum doesn’t touch ovary
What is medial to the infundibulum?
ampulla (expansion)
What is the medial portion of the oviduct?
isthmus (next to uterus)
Ovulation/Uterine Tubes
- ovulated egg released into peritoneal cavity (close to but NOT into infundibulum)
- infundibulum bends over ovary –> fimbriae sweep over ovarian surface which produces a current in peritoneal fluid to help bring the egg into the uterine tube
- -> cilia and smooth muscle assist in movement as well
Tubal (ectopic) pregnancy
fertilized egg implants in uterine tube
*major damage