Human belongs to the class Mammalia which is characterized by the development of the embryo inside the uterus till birth, So, their ova are small and nearly devoid of yolk (because the embryo depends...
Adrenal (suprarenal) glands are two glands, where each one of them is located above one of the two kidneys, Each gland consists anatomically and physiologically of two regions which are: the outer part which...
