Medicine: Pituitaries v. This-&-That

In almost the exact centre of the human head, hanging from the base of the brain by a hollow stem, is the pituitary gland. Normally about the size of a large pea, in giants it may be as big as a hen's egg. It has two lobes, anterior & posterior. Like other endocrine glands it secretes hormones (exciters) into the blood. Doctors know less than they would like to know about the pituitary gland. They know it is intimately related to growth and sexual maturity; they believe its hormones regulate the functioning of all...

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