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The endometrium is the inner epithelial layer, along with its mucous membrane, of the mammalian uterus. It has a basal layer and a functional layer: the basal layer contains stem cells which regenerate the functional layer. [1] The functional layer thickens and then is shed during menstruation in humans and some other mammals, including other ...
The uterine epithelial cells produce the basal lamina on which they rest. [6] The basal lamina is composed of two regions; the lamina lucida that is an electron lucent layer adjacent to the basal plasma membrane and the lamina densa that is a closely packed network of fibers.
From innermost to outermost, these layers are the endometrium, myometrium, and perimetrium. [7] The endometrium is the inner epithelial layer, along with its mucous membrane, of the mammalian uterus. It has a basal layer and a functional layer; the functional layer thickens and then is shed during the menstrual cycle or estrous cycle.
Uterine glands or endometrial glands are tubular glands, lined by a simple columnar epithelium, found in the functional layer of the endometrium that lines the uterus. Their appearance varies during the menstrual cycle. During the proliferative phase, uterine glands appear long due to estrogen secretion by the ovaries.
This is a list of cells in humans derived from the three embryonic germ layers – ectoderm, mesoderm, and endoderm ... Bone (Osteoblast → Osteocyte) Cartilage ...
The myometrium is located between the endometrium (the inner layer of the uterine wall) and the serosa or perimetrium (the outer uterine layer).. The inner one-third of the myometrium (termed the junctional or sub-endometrial layer) appears to be derived from the Müllerian duct, while the outer, more predominant layer of the myometrium appears to originate from non-Müllerian tissue and is ...
Image showing trophoblast differentiated into the two layers of cytotrophoblast and syncytiotrophoblast during implantation. It is the outer layer of the trophoblasts and actively invades the uterine wall, during implantation, rupturing maternal capillaries and thus establishing an interface between maternal blood and embryonic extracellular fluid, facilitating passive exchange of material ...
The functional layer of the uterus is restored, with mitotic division of the basal layer. Secretive phase: from the 14th to the 27th day of the ovarian cycle, influenced by the progesterone produced by the corpus luteum. Cells become hypertrophic, and tubular glands begin to produce glycogen