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carotid body
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noun Anatomy.
a small mass of cells and nerve endings adjacent to the carotid sinus that, in response to chemical changes in the blood, adjusts the respiratory rate.
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QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
Also called carotid gland .
Origin of carotid body
First recorded in 1935–40
Words nearby carotid body
carotene, carotenoid, Carothers, carotid, carotid artery, carotid body, carotid sinus, carotin, carousal, carouse, carousel
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use carotid body in a sentence
Simply pressing your eyeballs, it turns out, or massaging the carotid body, a tangle of nerves under your jaw, activates the vagus nerve and calms the nervous system.
The probability is that, like the carotid body, it is sympathetic in origin.
It is probable, however, that this structure has nothing to do with the carotid body of Mammalia.
It resembles the carotid body in its microscopical structure, but is not so vascular.
Scientific definitions for carotid body
carotid body
A mass of tissue near the carotid sinus that contains chemical receptors sensitive to oxygen and pH levels in the blood and that is involved in the regulation of respiratory activity.
The American Heritage® Science Dictionary
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