Endometrium Endometrium
Uterine polyps are benign growths on the inner surface of the uterus, derived from local overgrown endometrial tissue. Adenomyosis is a benign condition in which endometrial tissue invades the myometrial layer of the uterus. The uterus is a pear-shaped organ located in the female pelvis between the urinary bladder anteriorly and the rectum posteriorly (see the image below). The average dimensions are approximately 8 cm long, 5 cm across, and 4 cm thick, with an average volume between 80 and 200 mL. This thin layer merges with connective tissue (ligaments) that suspends the uterus in your pelvis. Myometrium. This middle layer is a thick wall made of smooth muscle cells. Endometrium. This layer of cells forms the inner lining, which includes glands with structures called receptors that receive chemical signals. Another name for this lining layer is the mucosa. The middle layer of tissue, the myometrium, is very firm and muscular and makes up most of the uterus. The endometrium, a mucous membrane, is the innermost layer of tissue. It lines the uterine cavity and contains numerous glands, blood vessels and lymphatic spaces. The outside layer is the peritoneum. This membrane secretes a blood-like fluid that partially covers the uterus. Myometrium. This middle layer is a thick wall made of smooth muscle cells. Endometrium. This layer of cells forms the inner lining, which includes glands with structures called receptors that receive chemical signals. Another name for this lining layer is the mucosa. Overview. The anatomy of the uterus consists of the following 3 tissue layers (see the following image): The inner layer, called the endometrium, is the most active layer and responds to cyclic ovarian hormone changes; the endometrium is highly specialized and is essential to menstrual and reproductive function. The uterus is a pear-shaped organ located in the female pelvis between the urinary bladder anteriorly and the rectum posteriorly (see the image below). The average dimensions are approximately 8 cm long, 5 cm across, and 4 cm thick, with an average volume between 80 and 200 mL. The middle layer, or myometrium, makes up most of the uterine volume and is the muscular layer, composed primarily of smooth muscle cells. The outer layer of the uterus, the serosa or perimetrium, is a thin layer of tissue made of epithelial cells that envelop the uterus. The female reproductive organs. The uterus is a pear-shaped organ located in the female pelvis between the urinary bladder anteriorly and the rectum posteriorly (see the image below). The average dimensions are approximately 8 cm long, 5 cm across, and 4 cm thick, with an average volume between 80 and 200 mL. The inner layer covers organs in bodily cavities and is called the visceral membrane; this inner layer of epithelial cells is followed by a connective tissue; after the connective tissue is the second layer of epithelial cells of the serous membrane called the parietal layer. The Latin anatomical name is tunica serosa.  The body of the uterus has 3 layers. The inner layer or lining is called the endometrium. The serosa is the layer of tissue coating the outside of the uterus. In the middle is a thick layer of muscle that is also known as the myometrium. This muscle layer is needed to push a baby out during childbirth. Although the cervix is technically part of the uterus, when people talk about cancer of the uterus, they usually mean the body, not the cervix. The body of the uterus has 2 main layers. The inner layer or lining is called the endometrium. The outer layer of muscle is known as the myometrium. This thick layer of muscle is needed to push the baby out during birth. The tissue coating the outside of the uterus is the serosa. Estrogen causes the endometrium to thicken so that it could nourish an embryo if pregnancy occurs. If there is no pregnancy, estrogen is produced in lower amounts and more of the hormone called progesterone is made after ovulation. This prepares the innermost layer of the lining to shed. The lining of the uterine cavity is called the endometrium. It consists of the functional endometrium and the basal endometrium from which the former arises. Damage to the basal endometrium results in adhesion formation and/or fibrosis (Asherman's syndrome). The uterus (from Latin uterus, plural uteri) or womb is a major female hormone-responsive reproductive sex organ of most mammals, including humans. One end, the cervix, opens into the vagina, while the other is connected to one or both fallopian tubes, depending on the species. During the menstrual phase, pregnancy occurs when an ovulated egg is fertilized by a sperm and implants itself in the lining of the uterus (the endometrium). Progesterone and estrogen levels drop if pregnancy does not occur, causing the uterus to shed its unused lining and expel it along with blood (menstruation). You might picture it as a kind of solid wall, but the endometrium is actually a layer of tissue consisting of cells, capillaries, and glands that produce secretions. When menstruation begins, the functional surface layer of the endometrium breaks down and peels off. This is what causes bleeding during a period.
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the innermost wall of the uterus is called