There is a connective tissue cord extending between the testis and abdominal wall called
Testis cord
Gubernaculum
Mesentric cord
Spermatic cord
The skeleton and muscles originate in the development from or During embryonic development endoskeleton and muscles develop from which germinal layer
Which of the following is last part of the oviduct, which has narrow lumen and joins with the uterus?
Neural canal develops from
$A$ : Corticotrophin releasing hormone is a part of the clock that establishes the timing of birth.
$R$ : The signals for parturition originate from the fully developed foetus and placenta which induce mild uterine contractions called foetal ejection reflex.
Which of the following enzyme helps sperm to penetrate zona pellucida?