A pea-sized endocrine gland at the base of the brain that controls other hormone-producing glands throughout the body, often called the 'master gland' of the endocrine system.
From Latin pituita meaning 'mucus' or 'phlegm,' because ancient anatomists incorrectly believed this gland produced nasal mucus that drained from the brain through the nose.
Despite being smaller than a grape, your pituitary gland controls growth, reproduction, stress response, and metabolism by commanding other glands like a hormonal conductor leading an orchestra. It's so important that it sits in its own bony fortress called the sella turcica (Turkish saddle) in your skull, protected like the crown jewels!
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