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13 Cards in this Set

  • Front
  • Back
The two layers of the endometrium
BASILAR LAYER: permanent , vascular but very thin
FUNCTIONAL LAYER: regenerated and lost during each menstrual cycle
FUNCTIONAL LAYER of endometrium
Regenerated and lost during each menstrual cycle
Under influence of estrogen & progesterone from ovaries from ovaries, the growth of blood vessels preps it for embryo
What does the endometrium form during pregnancy?
The maternal portion of the placenta
Phase of MENSTRUAL CYCLE in which each takes place:
1) Rupture of mature follicle
2) Loss of the endometrium
3) the corpus luteum develops
4) Several follicles begin to develop
1) Follicular phase (2nd phase)
2) Menstrual phase (1st)
3) Luteal phase (3rd) -- or is it secretory phase??
Without ____ , the endometrium cannot be maintained.
Progesterone
What produces (menstrual cycle)
1. FSH
2. LH
3. Estrogen
4. Progesterone
1. Anterior Pituitary
2. Anterior Pituitary
3. Ovarian follicle
4. Corpus Luteum
MENSTRUAL CYCLE (28 day cycle)
Includes FSH, LH, Estrogen, Progesterone, and changes in the ovaries and endometrium.
--- general outline of phases
1. MENSTRUAL- loss of the endometrium
2. FOLLICULAR- several ov follicles develop; ovulation is the rupture of a mature follicle; blood vessels grow in he endometrium
3. LUTEAL- the ruptured follicle becomes the corpus luteum ; the endometrium continues to develop
4. If fertilization does not occur, decreased progesterone results in the loss of endometrium in menstruation.
Endometrium
A specialized mucosa that varies in thickness and composition through the menstrual cycle. Covering the surface are ciliates cells interrupted at intervals by the offices of mucous glands
Thickness & appearance of endometrium during:
1. Menstrual phase
2. Postmenstrual phase
3. Proliferative phase
4. Secretory phase
1. (days 1-5). <0.5 mm Thin echogenic line
2. (days 6-9) 1-2 mm Mostly anechoic
3. (days 10-13) 2-4 mm Slightly echogenic
4. (days 14-28) 5-7 mm Highly echogenic
During the menstrual cycle, the endometrial lining is primarily estrogenic or more progestational?
Estrogenic
During ovulation, the balance shifts to that of a more estrogenic or more of a progestional state?
Progestational
Sonographically, how does the endometrium appear...
1). During menstrual cycle
2) Post ovulation to menses
3). from menses to ovulation (proliferative phase)
1)
2) the entire endometrium is echogenic
3) thickened and hyperechoic at the periphery and the endometrial line is echogenic
Endometrial thickness
1. Pre-Menopausal
2 Post-Menopausal
3. Post spontaneous Abortion
1. 2-18 mm ... Varies with menstrual cycle
2. < 5 mm ... May be up to 8mm if on HRT
3. Less than or equal to 5 mm
Thicker measurements post spontaneous abortion
indicate retained products of conception