what are the four divisions of the uterus?
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The uterus can be divided anatomically into four regions: the fundus – the uppermost rounded portion of the uterus, the corpus (body), the cervix, and the cervical canal. The cervix protrudes into the vagina. The uterus is held in position within the pelvis by ligaments, which are part of the endopelvic fascia.
1060736
The cervix is the lower narrower portion of the uterus. The cervix or cervix uteri (Latin, 'neck of the uterus') is the lower part of the uterus in the human female reproductive system. The cervix is usually 2 to 3 cm long (~1 inch) and roughly cylindrical in shape, which changes during pregnancy.
1287608
The reproductive tract of a cow is composed of the vulva, vestibule, vagina, cervix, uterus and ovaries. The ovaries, under control of the hormones FSH and LH from the pituitary, mediate events of the reproductive cycle and reproductive tract through secretion of ovarian hormones, estrogens, progesterone and relaxin.
823178
All segments of the GI tract are divided into four layers: the mucosa (epithelium, lamina propria, and muscular mucosae), the submucosa, the muscularis propria (inner circular muscle layer, intermuscular space, and outer longitudinal muscle layer), and the serosa (Figure 1).
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Uterine Cycle. The early proliferative phase of the uterine cycle begins at the end of menstrual flow. The uterine glands in this phase are sparse and relatively small, and the epithelial cells develop microvilli and cilia under the influence of estrogen. ... The secretory phase of the uterine cycle begins at ovulation.
128114
['Mitosis. A process of nuclear division in eukaryotic cells conventionally divided into five stages: prophase, prometaphase, metaphase, anaphase, and telophase. ... ', 'Centromere. Area where the chromatids of a chromosome are attached.', 'Chromatids. ... ', 'Prophase. ... ', 'Interphase. ... ', 'Metaphase. ... ', 'Anaphase. ... ', 'Telophase.']
952311
The internal reproductive anatomy includes the uterus, two ovaries, two fallopian tubes, the urethra, the pubic bone, and the rectum. The uterus contains an inner lining called the endometrium (which builds ups and sheds monthly in response to hormonal stimulation).
1208147
The estrous cycle can be divided into four stages: proestrus, estrus, metestrus, and diestrus. During proestrus the CL regresses (progesterone declines) and a preovulatory follicle undergoes its final growth phase (estradiol increases). Ovulation usually occurs during estrus (cows ovulate during metestrus).
607482
normal standards of uterine dimensions are7. 6x4. 5x3. Non pregnant uterine size varies with age, number of pregnancies and patient endocrinological status, normal adult uterus measures approximately 7.2-9.0cm long, 4.5-6.0cm wide and 2.05-3.5 deep(1).
1095643
['Mitosis. Cell division in which 2 identical cells are produced. ... ', 'Meiosis. Cell division in which 4 sex cells are produced. ... ', 'Interphase. Cell spends most of its time in this phase. ... ', 'Prophase. First and longest phase of mitosis. ... ', 'Metaphase. Second phase of mitosis. ... ', 'Anaphase. ... ', 'Telophase. ... ', 'Cytokinesis.']
85006
The appearance and thickness of the endometrium varies with different stages of the menstrual cycle. Endometrial thickness is 1-4mm during menstruation, 5-7mm in the proliferative phase, up to 11mm in the periovulatory phase and 7-14mm in the secretory phase.
523452
['The fimbria.', 'Infundibulum.', 'Ampulla - where the ovum is fertilized.', 'Isthmus.']
558055
In stage I, cancer is found in the uterus only. Stage I is divided into stages IA and IB, based on how far the cancer has spread. Stage IA: Cancer is in the endometrium only or less than halfway through the myometrium (muscle layer of the uterus). Stage IB: Cancer has spread halfway or more into the myometrium.
72442
The human female reproductive system. The cervix is the lower narrower portion of the uterus. The cervix or cervix uteri (Latin, 'neck of the uterus') is the lower part of the uterus in the human female reproductive system.
306290
['First stage of labor. Thinning (effacement) and opening (dilation) of the cervix. ... ', 'Second stage of labor. Your baby moves through the birth canal. ... ', 'Third stage of labor. Afterbirth. ... ', 'Fourth stage of labor. Recovery.']
968140
Degrees of uterine prolapse Other pelvic organs (such as the bladder or bowel) may also be prolapsed into the vagina.,. The four categories of uterine prolapse are: Stage I – the uterus is in the upper half of the vagina. Stage II – the uterus has descended nearly to the opening of the vagina.
705667
['Early Labor Phase –The time of the onset of labor until the cervix is dilated to 3 cm.', 'Active Labor Phase – Continues from 3 cm. until the cervix is dilated to 7 cm.', 'Transition Phase – Continues from 7 cm. until the cervix is fully dilated to 10 cm.']