OB review- normal female pelvis Flashcards
Name the portions of the fallopian tube medial to lateral
- cornual
- isthmus
- ampulla
- infundibulum
what is the narrowest and widest portion of the Fallopian tube?
narrowest: isthmus
widest: ampulla
what part of the fallopian tube penetrates the myometrium?
cornual
rectouterine pouch aka?
- posterior cul de sac
- pouch of douglas
rectouterine pouch location?
- anterior to rectum
- posterior to uterus
- most inferior point in the pelvic cavity
what is the most common site for fluid to accumulate?
rectouterine pouch
space of retzius aka? (2)
- retropubic space
- prevesical space
location of space of retzius?
- anterior to urinary bladder
- posterior to symphysis pubis
vesicouterine pouch aka?
anterior cul de sac
vesicouterine pouch loaction?
- anterior to uterus
- posterior to urinary bladder
how to measure the length of the uterus?
from fundus to the external cervical os
how to measure the height of the uterus?
perpendicular to the length of the widest portion of the uterine body
how to measure width of the uterus?
widest portion of the uterine body in the short axis
premenarche uterus measurements? (L,H,W)
Length: 2-4cm
height: 0.5-1.0cm
width: 1-2cm
menarche uterus measurements?
- nulliparous
- parous
nulliparous-6-8.5cm x 3-5cm x 3-5cm
parous-8-10.5cm x 3-5cm x 5x6 cm
postmenopausal uterus measurements?
3.5-7.5cm x 2-3 cm x 4-6 cm
the outer layer of the endometrium?
- basal layer
- appears as hypoechoic
inner layer of endometrium?
- inner functional layer typically appears hyperechoic
the inner layer of the endometrium should not exceed what measurement?
14mm
what is not included in an endometrium measured?
- subendometrial halo
- fluid
what are ovaries?
- almond shaped
- intraperitoneal
- endocrine glands
- composed of cortical and medullary tissue covered by epithelium
what is the ovarian cortex?
- site of follicular development
- medulla is the vascular core of the ovary
what 2 sources are ovaries supplied blood from?
- ovarian artery arises from the aorta
- ovarian branch of the uterine artery
function of ovaries?
produce ova
2 hormones in ovaries?
estrogen and progesterone
what is estrogen secreted by?
secreted by follicle
what is progesterone secreted by?
corpus luteum
ovaries measurement- menarche?
length: 2.5-5cm
wide: 1.5-3cm
height: 0.6-2.2 cm
what does the measurement of ovaries depend on?
- age
- menstrul status
- body habitus
- pregnancy status
- phase of menstrul
ovaries volume- menarche?
9.8cm^3
ovaries measurement- postmenopausal?
5.8cm^3
estradiol function?
primarily reflects the activity of the ovaries
during pregnancy how is estradiol affected?
levels will steadily rise
where is estradiol present?
small amounts are present in the adrenal cortex and arterial walls