Subcategories:
— pineal gland (6)
— pituitary gland (6)
— hypophysis (4)
— glands of conjunctiva (3)
— parotid gland (3)
— olfactory glands (1)
— salivary glands (2)
— glands of throat (9)
— thyroid gland (6)
— thymus gland (2)
— mammary gland (1)
— glands having gastric secretions (5)
— glands of small intestine (4)
— spleen (10)
— liver (21)
— kidney (23)
— Cowper's glands (2)
— prostate gland (5)
— testicle or testicles (50)
— glans penis (16)