plural medullas or medullae
mə-ˈdə-(ˌ)lē 
-ˌlī
1
2
a
: the inner or deep part of an animal or plant structure
the adrenal medulla
b
Examples of medulla in a Sentence
Recent Examples on the Web
The vagus nerve originates from four clusters of neurons in the brain’s medulla, where the brainstem attaches to the spinal cord.
—
R Douglas Fields, WIRED, 29 Sep. 2024
The naloxone rushed through his capillaries, passed again through vessel walls and spilled into the medulla.
—Blake Nelson, The Mercury News, 13 Oct. 2024
Other larger peptides are able to repair damage at the surface of the cuticle, but a smaller molecular weight allows our peptides to penetrate all the way into the medulla, or the deepest parts of the hair’s core.
—Celia Shatzman, Forbes, 1 Oct. 2024
It is produced in the adrenal glands in the adrenal medulla.
—Michelle Pugle, Verywell Health, 13 Aug. 2024
The medulla sends signals back through the vagus nerve to your diaphragm and the muscles between your ribs, telling them to contract.
—Jenny Sweigard, Verywell Health, 1 July 2024
The vagus nerve signals the medulla—located in the brainstem—to initiate the cough reflex.
—Jenny Sweigard, Verywell Health, 1 July 2024
The project is missing cell census data from some areas, such as the medulla.
—Quanta Magazine, 13 Dec. 2023
Results showed some cells connected to the medulla were highly active at the start of a movement, whereas others switched on either in the midst or end of the activity.
—Simon Makin, Scientific American, 1 Nov. 2018
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R Douglas Fields, WIRED, 29 Sep. 2024
The naloxone rushed through his capillaries, passed again through vessel walls and spilled into the medulla.
—Blake Nelson, The Mercury News, 13 Oct. 2024
Other larger peptides are able to repair damage at the surface of the cuticle, but a smaller molecular weight allows our peptides to penetrate all the way into the medulla, or the deepest parts of the hair’s core.
—Celia Shatzman, Forbes, 1 Oct. 2024
It is produced in the adrenal glands in the adrenal medulla.
—Michelle Pugle, Verywell Health, 13 Aug. 2024
The medulla sends signals back through the vagus nerve to your diaphragm and the muscles between your ribs, telling them to contract.
—Jenny Sweigard, Verywell Health, 1 July 2024
The vagus nerve signals the medulla—located in the brainstem—to initiate the cough reflex.
—Jenny Sweigard, Verywell Health, 1 July 2024
The project is missing cell census data from some areas, such as the medulla.
—Quanta Magazine, 13 Dec. 2023
Results showed some cells connected to the medulla were highly active at the start of a movement, whereas others switched on either in the midst or end of the activity.
—Simon Makin, Scientific American, 1 Nov. 2018
Dictionary Entries Near medulla
Cite this Entry
“Medulla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/medulla. Accessed 22 Dec. 2024.
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Medical Definition
1
2
a
: the inner or deep part of an organ or structure
the adrenal medulla
b
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