Differentiate between (a) oestrus and menstru | vedclass

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(N/A) Differences between oestrus and menstrual cycles:      Oestrus Cycle    Menstrual Cycle        $(1)$ Occurs in non-primates like cows,dogs,and r

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(N/A) Differences between oestrus and menstrual cycles:

Oestrus Cycle	Menstrual Cycle
$(1)$ Occurs in non-primates like cows,dogs,and rats.	$(1)$ Occurs in primates like monkeys,apes,and humans.
$(2)$ Characterized by a short period of heat or oestrus.	$(2)$ Characterized by a menstrual phase involving bleeding.
$(3)$ The endometrium is reabsorbed if fertilization does not occur.	$(3)$ The endometrium is shed and expelled through the vagina.

Differences between ovipary and vivipary:

Ovipary	Vivipary
$(1)$ Organisms lay fertilized or unfertilized eggs.	$(1)$ Organisms give birth to young ones.
$(2)$ Development of the embryo occurs outside the female body.	$(2)$ Development of the embryo occurs inside the female body.
$(3)$ Example: Birds,Reptiles.	$(3)$ Example: Mammals (except monotremes).

$I$	$II$	$III$
$1$. Interstitial cells	$a$. Cortex of ovary	$i$. Follicular fluid
$2$. Sertoli cells	$b$. Ovarian follicle	$ii$. Progesterone
$3$. Granulosa cells	$c$. Testis	$iii$. Attachment of sperm bundle
$4$. Cells of corpus luteum	$d$. Seminiferous tubules	$iv$. Testosterone

Differentiate between $(a)$ oestrus and menstrual cycles; $(b)$ ovipary and vivipary. Give an example for each type.

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