cortico etymology

Etymology:

  • Derived from the Latin word "cortex," meaning "bark" or "rind."
  • Originally referred to the outer layer of the plant stem.

Meaning:

  • Biological Context:
    • The outermost layer of an organ or structure, particularly the outer layer of the brain (cerebral cortex) or the kidney (renal cortex).
  • Physiological Context:
    • A hormone secreted by the adrenal glands, which plays a role in stress response and blood sugar regulation (corticosteroids).
  • Medical Context:
    • A type of skin inflammation characterized by redness, itching, and swelling (dermatitis).

Origin:

  • The term "cortex" was first used in the 17th century to describe the outermost layer of plants.
  • In the 18th century, it was adopted in anatomy to refer to the outermost layer of the brain.
  • The term "corticosteroids" was coined in the 20th century to describe hormones produced by the adrenal glands that affect the body's response to stress and inflammation.

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