What Is It?
It links to the hypothalamus by a short stalk that contains nerve fibres and a specialized network of blood vessels
☆neural lobe or posterior lobe, constitutes the majority of the posterior pituitary
☆ it is the storage site of oxytocin and vasopressin.
Where is It?
The pituitary gland is a pea-sized structure located at the base of the brain, just below the hypothalamus, to which it is attached via nerve fibers. It is part of the endocrine system and produces critical hormones, which are chemical substances that control various bodily functions.
Location of posterior pituitary gland is in the back of the actual gland.
What does it do?
The hypothalamus sends hormones to the gland. This helps filter the kidneys by water absorption in the blood.
Anti diuretic Hormone (vassopressin/ ADH) causes kidneys to reduce water excretion; in high concentration, raises blood pressure.
Is it a Steroid?
Oxytocin (OT) Contracts smooth muscle in the uterine wall; forces liquid from the milk glands into the milk ducts, ejects milk.
Is it a Non-Steroid?
What organ is involved ?