Question
Differentiate between,
Oestrus and menstrual cycles.
Oestrus and menstrual cycles.
✓
Answer
|
|
Menstrual cycles
|
|
Oestrus cycles
|
|
i.
|
It occurs in primates (monkeys, apes and human beings) only.
|
i.
|
It occurs in non-primates such as cows, sheep, rats, deer, dogs, tiger,etc.
|
|
ii.
|
This cycle consists of menstrual phase, proliferative phase and the secretory phase.
|
ii.
|
It consists of a short period of oestrus or heat.
|
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iii.
|
Blood flows in this cycle.
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iii.
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Blood goes into flow in this cycle.
|
|
iv.
|
The broken endometrium is passed out during menstruation.
|
iv.
|
The broken endometrium is reabsorbed.
|
|
v.
|
Sex urge is not increased during menstruation.
|
v.
|
Sex urge is increased during oestrus period.
|
|
vi.
|
Female does not permit copulation during menstrual phase of the cycle.
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vi.
|
Female permits copulation only during oestrus period.
|
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