Ch. 18 The Ovaries and Fallopian Tubes Flashcards
(167 cards)
______ are paired, oval-shaped, intraperitoneal organs that have a dual blood supply from both the ovarian artery and ovarian branches of the uterine arteries
Ovaries
As endocrine glands, the ovaries are responsible for releasing ______and _______ in varying amounts throughout the menstrual cycle.
estrogen,progesterone
They may be located anywhere within the true pelvis, excluding the ______ cul-de-sac.The ovarian fossa is located posterior to the ureter and internal iliac artery and superior to the external iliac artery.
anterior
Dual blood supply to ovaries is from where?
ovarian artery and ovarian branch of the uterine arteries
Right ovarian vein drains into the ___ and the left ovarian vein drains into the ___.
IVC, left renal vein
The ovaries are responsible for releasing __ & __ in varying amount during the menstraul cycle.
estrogen & progesteron
What is the layer covering the ovaries?
surface epithelium
What serves as a protective layer of the ovary?
tunica albuginea
The medulla of the ovaries contains the ovarian ___ & ___.
vasculature and lymphatics
The cortex of the ovaries is the site for
oogenesis (creation of ovum)
A normal follicle measures ______
3cm or higher
At approximately day __ of the menstrual cycle ovulation occurs when the dominant follicle ruptures.releasing the mature ovum and a small amount of follicular fluid into the peritoneal cavity
14
Only one follicle will become the dominant follicle, or Graafian follicle, before ovulation, whereas all other follicles undergo _______.
atrophy
The ovum is contained within the _______ of the dominant follicle
cumulus oophorus
The cumulus oophorus may be seen within the ovary during a sonographic examination, with the sonographic appearance resembling that of a _______.
daughter cyst
a small cyst within a large cyst
daughter cyst
______, which means middle pain, describes pain at the time of ovulation, typically on the side of the dominant follicle.
Mittelschmerz
After the Graafian follicle has ruptured, its structure is converted into the _______.
corpus luteum
If fertilization occurs, the corpus luteum is maintained and becomes the corpus luteum of pregnancy. If fertilization does not occur, the corpus luteum regresses and becomes the ________.
corpus albicans
the remaining structure of the corpus luteum after its deterioration
corpus albicans
the corpus luteum that is maintained during an early pregnancy for the purpose of producing estrogen and primarily progesterone
corpus luteum of pregnancy
Sonographic appearance of a normal ovary
homogeneous, medium to low level echogenicity
Mean premenopausal ovarian volume
9.8cm ^3
Mean postmenopausal ovarian volume
5.8cm ^3