Question

what is oestrus cycle and menstrual cycle

Answer 1

Oestrous Cycle:
1. It occurs in non-primates such as cows, dogs, etc.
2. It consists of a short period of oestrous or heat (e.g., 12-24 hours in cow) followed by anoestrous or passive period.
3. Blood does into flow in this cycle.
4. The broken endometrium is reabsorbed.
5.Sex urge is increased during oestrous period.
6. Female permits copulation only during oestrous

Menstrual Cycle:
1. It occurs in primates (monkeys, apes and human beings) only.Image Courtesy : images.crinet.com/Genex-Cooperative-Inc/Learning-Center/Estrous-Cycle-Diagram.
2. This cycle consists of menstrual phase, proliferative phase and the secretory phase.
3. Blood flows in the last few days of this cycle.
4. The broken endometrium is passed out during menstruation
5. Sex urge is not increased during menstruation.6. Female does not permit copulation during menstrual phase of the cycle.

Answer 2

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