master gland

informal

(informal, biology) The pituitary gland.

Japanese Meaning

下垂体

The endocrinologist explained how the master gland controls hormone production throughout the body.

内分泌科医は、下垂体が体全体のホルモン産生をどのように制御しているかを説明した。

Sense（1）

(informal, biology) The pituitary gland.

The pituitary is often called the master gland because it controls so much.

master glands

（ plural ）