By the end of about .......... weeks, the body is covered with fine hair.
$20 $
$24$
$18$
$22$
Which of the following organ is differentiated first during development ?
In Human beings, at the end of $12$ weeks (first trimester) of pregnancy, the following is observed
Which of the following hormones is not a secretory product of human placenta?
It is structural and functional unit between developing embryo (Foetus) and maternal body
The hormone released from placenta is