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The pituitary gland (or hypophysis) is an endocrine gland about the size of a pea and weighing 0.5 grams (0.018 oz) in humans. It is a protrusion off the bottom of the hypothalamus at the base of the brain, and rests in a small, bony cavity (sella turcica) covered by a dural fold (diaphragma sellae).
The endocrine system [1] is a messenger system in an organism comprising feedback loops of hormones that are released by internal glands directly into the circulatory system and that target and regulate distant organs.
The pituitary gland hangs from the base of the brain by the pituitary stalk, and is enclosed by bone.It consists of a hormone-producing glandular portion of the anterior pituitary and a neural portion of the posterior pituitary, which is an extension of the hypothalamus.
The fetal adrenal cortex can be identified within four weeks of pregnancy. [2] The adrenal cortex originates from the thickening of the intermediate mesoderm. [3] At five to six weeks of gestation, the mesonephros differentiates into a tissue known as the gonadal ridge.
Neuroendocrinology is the branch of biology (specifically of physiology) which studies the interaction between the nervous system and the endocrine system; i.e. how the brain regulates the hormonal activity in the body. [1]
In endocrinology, medical emergencies include diabetic ketoacidosis, hyperosmolar hyperglycemic state, hypoglycemic coma, acute adrenocortical insufficiency, phaeochromocytoma crisis, hypercalcemic crisis, thyroid storm, myxoedema coma and pituitary apoplexy.
The pituitary gland or hypophysis is an endocrine gland in vertebrates.In humans, the pituitary gland is located at the base of the brain, protruding off the bottom of the hypothalamus.
A gland is a cell or an organ in an animal's body that produces and secretes different substances that the organism needs, either into the bloodstream or into a body cavity or outer surface. [1]