menstrual cycle lietuviškai

Paaiškinimas anglų kalba

• a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation "the average menstrual cycle is 28 days"
• The period from onset of one menstrual bleeding (MENSTRUATION) to the next in an ovulating woman or female primate. The menstrual cycle is regulated by endocrine interactions of the HYPOTHALAMUS; the PITUITARY GLAND; the ovaries; and the genital tract. The menstrual cycle is divided by OVULATION into two phases. Based on the endocrine status of the OVARY, there is a FOLLICULAR PHASE and a LUTEAL PHASE. Based on the response in the ENDOMETRIUM, the menstrual cycle is divided into a proliferative and a secretory phase.;The cyclic cellular, histological, and functional changes in the ENDOMETRIUM during the MENSTRUAL CYCLE in response to the changing endocrine environment.;The cyclic cellular, histological, and functional changes in the OVARY during the MENSTRUAL CYCLE in response to the changing endocrine environment.