Endocrine gland	Hormone	Function/ deficiency symptoms
(A) Anterior pituitary	Oxytocin	Stimulates uterus contraction during child birth
(B) Posterior pituitary	Growth Hormone(GH)	Over-secretion stimulates abnormal growth
(C) Thyroid gland	Thyroxine	Lack of iodine in diet results in goitre
(D) Corpus luteum	Testosterone	Stimulates spermatogenesis