| 单词 | carotid sinus |
| 释义 | carotid sinusnoun Anatomy.specialized nerve end organs producing a slight dilatation of the carotid artery where it branches into the external and internal carotid arteries, responding to changes in blood pressure by mediating changes in the heartbeat rate. Origin of carotid sinusFirst recorded in 1940–45 Words nearby carotid sinuscarotid bruit, carotid canal, carotid-cavernous fistula, carotid ganglion, carotid sheath, carotid sinus, carotid sinus syncope, carotid triangle, carotin, carotodynia, carousal Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for carotid sinuscarotid sinus n.A dilation of the common carotid artery at its bifurcation into the internal and external carotids, containing baroreceptors that when stimulated cause slowing of the heart, vasodilation, and a fall in blood pressure. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for carotid sinuscarotid sinus A dilated region that is located at the point of bifurcation of the carotid artery and contains pressure receptors (called baroreceptors), which upon stimulation cause slowing of the heart rate, vasodilation, and a decrease in blood pressure. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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