When the cleavage furrow extends from animal pole to vegetal pole and does not bisects the egg equally into two blastomeres the plane of cleavage is
Meridional
Equatorial
Latitudinal
Vertical
Cu ions released from copper- releasing Intra Uterine Devices $(IUDs)$
Which centriole of spermatozoa is required for first cleavage?
Menstrual cycles ceases : Menopase :: First menstruation begins :
Which of the following depicts the site of impantation of blastocyst under normal condition?