Question
Differentiate between,
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.
iii.
Blood flows in this cycle.
iii.
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.
vi.
Female permits copulation only during oestrus period.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free