Definition

1. Noun:
   • The master gland of the endocrine system; located at the base of the brain: The pituitary gland is a small, pea-sized organ that controls many other endocrine glands in the body by releasing hormones. It is often called the "master gland" because its hormones regulate growth, metabolism, reproduction, and other vital functions.

Usage Examples

• Noun:
  • The pituitary gland secretes hormones that stimulate the adrenal glands.
  • A tumor on the pituitary gland can disrupt the body's hormonal balance.
  • The surgeon carefully operated near the patient's pituitary gland.

Advanced Usage

• "Pituitary gland dysfunction": refers to conditions where the gland produces too much or too little of its hormones.

  • The patient was diagnosed with pituitary gland dysfunction, leading to growth issues.

• "Anterior/posterior pituitary gland": specifies the two distinct lobes of the gland, which produce different sets of hormones.

  • The anterior pituitary gland produces growth hormone, while the posterior pituitary stores hormones made by the hypothalamus.

Variants and Related Words

• Pituitary (adj): relating to or associated with the pituitary gland.

  • The doctor ordered a pituitary function test.

• Hypophysis (n): an alternative medical term for the pituitary gland.

  • The term 'hypophysis' is often used in anatomical texts.

• Pituitrin (n): a historical term for an extract from the posterior pituitary gland.

Synonyms

• Hypophysis: The anatomical synonym.
• Master gland: A descriptive synonym highlighting its regulatory role.

Related Phrases and Compounds

• Pituitary adenoma: a non-cancerous tumor of the pituitary gland.

  • The most common type of pituitary tumor is a pituitary adenoma.

• Pituitary apoplexy: bleeding into or loss of blood supply to the pituitary gland.

  • Pituitary apoplexy is a medical emergency.

Notes on Meaning

The term "pituitary gland" refers specifically to the anatomical organ. In medical and biological contexts, it is almost always used in its full form. The standalone word "pituitary" is primarily used as an adjective (e.g., pituitary hormones, pituitary tumor) or, less commonly, as a shorthand noun in technical discourse. The core meaning centers on its function as the central regulatory gland of the body's endocrine system.

Noun

1. the master gland of the endocrine system; located at the base of the brain