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medulla

noun
me·​dul·​la | \ mə-ˈdə-lə How to pronounce medulla (audio) \
plural medullas or medullae\ mə-​ˈdə-​(ˌ)lē How to pronounce medullae (audio) , -​ˌlī \

Definition of medulla

1 plural medullae

a : bone marrow
b : medulla oblongata
2a : the inner or deep part of an animal or plant structure the adrenal medulla
b : myelin sheath

Examples of medulla in a Sentence

Recent Examples on the Web

 In fact, the vomiting in motion sickness is induced by the same area of the brain — the chemoreceptor trigger zone in the medulla — that causes vomiting in response to poisons. — Quanta Magazine, "Solution: ‘Triangulation and Motion Sickness’," 30 Jan. 2018

First Known Use of medulla

15th century, in the meaning defined at sense 1a

History and Etymology for medulla

Middle English, from Latin

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More Definitions for medulla

medulla

noun
me·​dul·​la | \ mə-ˈdəl-ə How to pronounce medulla (audio) , -ˈdu̇l- How to pronounce medulla (audio) \
plural medullas or medullae\ -​(ˌ)ē How to pronounce medullae (audio) , -​ˌī How to pronounce medullae (audio) \

Medical Definition of medulla

1  plural medullae

a : bone marrow
b : medulla oblongata
2a : the inner or deep part of an organ or structure the adrenal medulla
b : myelin sheath

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