medulla

play
noun me·dul·la \mə-ˈdə-lə\

Definition of medulla

plural

medullas

or

medullae

play \mə-ˈdə-(ˌ)lē, -ˌlī\
  1. 1 plural medullae a :  bone marrowb :  medulla oblongata

  2. 2a :  the inner or deep part of an animal or plant structure the adrenal medullab :  myelin sheath

Origin and Etymology of medulla

Middle English, from Latin


Medical Dictionary

medulla

play play
noun me·dul·la \mə-ˈdəl-ə, -ˈdu̇l-\

Medical Definition of medulla

plural

medullas

or

medullae

\-(ˌ)ē, -ˌī\play play
  1. 1plural medullae a:  bone marrowb:  medulla oblongata

  2. 2a:  the inner or deep part of an organ or structure the adrenal medullab:  myelin sheath

Illustration of medulla


Seen and Heard

What made you want to look up medulla? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

lacking social experience or grace

Get Word of the Day daily email!

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!