During the course of development, cells in various regions of embryo become variable in morphology and eventually perform diverse functions. This process is known as
Rearrangement
Differentiation
Metamorphosis
Organisation
Match the columns
Column $I$ | Column $II$ |
$(a)$ Third week | $(1)$ Development of pre umbilical code |
$(b)$ Third month | $(2)$ Body develops but head remains big |
$(c)$ Fourth week | $(3)$ Embryonic slit widens |
$(d)$ Fourth month | $(4)$ Muscles activate |
$A$ : If fertilization occurs, the corpus luteum is rescued from regression by human chorionic gonadotropin, which is produced by placenta.
$R$ : In first trimester the corpus luteum stimulates by $hCG$ is responsible for the production of progesterone.
During pregnancy which of the following is secreted through urine of mother
In Human beings, at the end of $12$ weeks (first trimester) of pregnancy, the following is observed
Relaxin hormone is produced from