BioScience Dictionary

 
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Found Menstrual cycle 2 times.

Displaying results 1 to 10.

1. Menstrual cycle
The reproductive cycle of female humans. The cycle is characterized by a monthly discharge of blood, mucus, and tissues from the uterus (called menstruation) and involves changes to the lining of the uterus (the endometrium ) during the rest of the month including a few days of fertility after an ovum (egg) is released by an ovary.

2. Menstrual cycle
The recurring secretion of hormones and associated uterine tissue changes; typically 28 days in length.