menstruation
the discharge of blood and uterine tissue from the vagina at the end of the menstrual cycle
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
menstruation The process in which the uterine endometrium breaks down and sheds cells, resulting in bleeding; occurs approximately once a month. The first day marks the beginning of the menstrual and ovarian cycles. PICTURE ...
Menstruation [days1-5] → Endometrium breaks down
Low levels of female sex hormones causes
uterus lining/endometrium to disintegrate
its blood vessels to rupture ...
menstruation (Amenorrhoea, Oligomenorrhea, Menorrhagia, Menometrorrhagia, Metrorrhagia, Dysmenorrhea)
intercourse (Dyspareunia, Vaginismus) - Mittelschmerz ...
menstruation Loss of blood and tissue from the uterus at the end of a female primate's reproductive cycle.
meristem The tissue or zone from which new cells are produced by cell division.
During menstruation the organ is enlarged, more vascular, and its surfaces rounder; the external orifice is rounded, its labia swollen, and the lining membrane of the body thickened, softer, and of a darker color. According to Sir J.
The first day of the cycle is the first day of blood flow (day 0) known as menstruation. During menstruation the uterine lining is broken down and shed as menstrual flow.
About every 28 days, some blood and other products of the disintegration of the inner lining of the uterus (the endometrium) are discharged from the uterus, a process called menstruation.
Earlier menstruation resulting from better nutrition, coupled with delay or absence of childbearing as women pursue education and careers, ...
 See also: Human, Trans, Blood, Cells, Tissue
  
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