Definition: A small pea-sized, oval endocrine gland attached to the base of the vertebrate brain and consisting of an anterior and a posterior lobe, the secretions of which control the other endocrine glands and influence growth, metabolism, and maturation.

To further describe a part of the pituitary gland, refer to the index finger of the classifier for 'anterior pituitary'.

For 'posterior pituitary', refer to the finger of the classifier.

In case, you're wondering what the thumb is referred to. It's Optic Chiasma. Videos signed by Erik Witteborg, 2017.

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