54.The posterior pituitary gland is not a ‘true‘ endocrine gland because A. It secretes enzymes B. It is provided with a duct C. It only stores and releases hormones D. It is under regulation of hypothalamus
Option C.Oxytocin and vasopressin hormones are produced by the hypothalamus but stored and are released into the bloodstream via the posterior pituitary. That's the reason why it is not a true endocrine gland. Endocrine glands are the ductless glands that secrete and release hormones in the blood directly