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Endocrine System

Pituitary Gland

How large is the pituitary gland?

The pituitary gland is about the size of a plump lima bean. It measures 0.39 inches (1 centimeter) long, 0.39 to 0.59 inches (1 to 1.5 centimeters) wide, and 0.12 inches (0.5 centimeters) thick.