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34 Cards in this Set
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- Back
- 3rd side (hint)
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Uterus
Anatomy four regions |
fundus
corpus ut isthmus cervix |
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Layers of the uterine wall
outer layer middle layer inner layer |
serosa aka =
muscularis aka = mucosa aka = |
perimetrium
myometrium endometrium |
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Uterus
perimetrium aka = myometrium aka = endometrium aka = |
serosa
muscularis mucosa |
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Uterus four regions
-fundus -corpus uteri -(body) -isthmus -cervix |
fundus - convex portion below which interstitial portions of oviducts enter.
corpus uteri -(body) - upper walls, usual site of blastocyst implantation isthmus - constricted region which connects body with cervix cervix - lowest part of uterus, protruding into vagina |
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Describe fundus =
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- convex portion below which interstitial portions of oviducts enter.
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- convex portion below which interstitial portions of oviducts enter.
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fundus
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Describe corpus uteri -(body)
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- upper walls, usual site of blastocyst implantation
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- upper walls, usual site of blastocyst implantation
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corpus uteri -(body)
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Describe isthmus
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constricted region which connects body with cervix
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constricted region which connects body with cervix
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isthmus
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Describe cervix
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- lowest part of uterus, protruding into vagina
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- lowest part of uterus, protruding into vagina
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cervix
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Layers of the uterine wall
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The outer layer
The middle layer The inner layer |
- the serosa or perimetrium.
- the muscularis, or myometrium - the mucosa, or endometrium |
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Layers of the uterine wall
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- the serosa or
- the muscularis, or - the mucosa, or |
perimetrium.
myometrium endometrium |
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Layers of the uterine wall
perimetrium. myometrium endometrium |
serosa =
muscularis = mucosa = |
perimetrium.
myometrium endometrium |
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Perimetrium:
single layer of = supported by a thin layer of = |
mesothelial
CT containing = It is continuous on each side of the organ with the peritoneum of the ________ _________ |
elastic tissue
broad ligament (through which blood and lymph vessels and nerves reach the uterus). |
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Mesothelium is deficient over the lower half of the anterior surface, where the urinary bladder abuts.
Embedded in the loose connective tissue of perimetrium are the |
sympathetic ganglia & plexuses
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Uterus
2. Myometrium: |
The fibers are arranged in bundles
_________ During pregnancy the fibers increase greatly in size and may attain a length of _______- or more. |
40 to 90 µm
600 µm |
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Myometrium is divided into four regions:
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Stratum submucosum
Stratum vasculare: Stratum supravasculare Stratum subserosum |
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Stratum submucosum
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the innermost directly underlying endometrium. Its fibers are predominantly longitudinal.
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Stratum vasculare:
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thickest
many large blood vessels, circular and oblique muscle bundles are predominant. |
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Stratum supravasculare
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the fiber are mainly circular and longitudinal
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Stratum subserosum
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thin, longitudinal muscle fiber, within loose areolar connective tissue.
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thin, longitudinal muscle fiber, within loose areolar connective tissue.
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Stratum subserosum
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the fiber are mainly circular and longitudinal
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Stratum supravasculare
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thickest
many large blood vessels, circular and oblique muscle bundles are predominant. |
Stratum vasculare:
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the innermost directly underlying endometrium. Its fibers are predominantly longitudinal.
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Stratum submucosum
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uterine leiomyoma, aka ,
is a very common ______ tumor of women of ________ age. |
fibroid
benign reproductive |
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leiomyoma consists of =
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bland smooth muscle fibers
smooth muscle fibers form _______ embedded in a _______ _______ |
whorls
fibrous stroma. |
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leiomyosarcomas
are much rarer, occur in _____ ______ |
older women
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3. Endometrium
consists of how many layers & names = |
epithelium
lamina propria containing = |
simple tubular glands
sometimes branch in their deeper portions (near myometrium). |
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Endometrium
epithelial cells are |
simple columnar
a mixture of = 2ct |
ciliated
secretory cells. |
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Endometrium
connective tissue (stroma) of the lamina propria is rich in = |
fibroblasts
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endometrial layer is divided into 2 zones
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functionalis =
basalis |
which constitutes that portion sloughed off at menstruation and then replaced during each menstrual cycle.
retained during menstruation which subsequently provides new epithelium and lamina propria for the renewal of the endometrium bases of the glands, which lie deep within the basalis are the source of the cells that divide and migrate over the exposed connective tissue of the menstrual phase endometrium. |
