What is the significance of epididymis in male fertility ?
Epididymis helps in maturation of sperms, to obtain motility in more amount, to obtain the capacity of fertilization. Epididymis stores sperms before sperms enter into vas deferens.
Epididymis show peristaltic and segmenting contractions at regular intervals of time for expulsion of sperms from testis.
Brain originates from which germ layer
Cells of leydig are found in
Enzyme present in sperm acrosome to dissolve egg membrane is
Match column $I$ with column $II$ and select the correct option using the codes given below.
Column $-I$ | Column $-II$ |
$(A)$ Mons pubis | $(i)$ Embryo formation |
$(B)$ Antrum | $(ii)$ Sperm |
$(C)$ Trophectoderm | $(iii)$ Female externalgenitalia |
$(D)$ Nebenkern | $(iv)$ Graafian follicle |
Study the flow chart. Name the hormones labelled as $A, B, C, D$ at each stage.
$A \quad B\quad C \quad D$