Websphincter (sfĭngk′tər) n. A ringlike muscle that normally maintains constriction of a body passage or orifice and that relaxes as required by normal physiological functioning. sphinc′ter·al adj. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. Websphincter [ sfĭngk ′tər ] A ring-shaped muscle that encircles an opening or passage in the body. The opening and closing of the anus is controlled by contraction and relaxation of a …
Precapillary sphincter Definition & Meaning Merriam-Webster …
Websphinc·ter (sfĭngk′tər) n. A ringlike muscle that normally maintains constriction of a body passage or orifice and that relaxes as required by normal physiological functioning. [Late … WebDefinitions of sphincter. noun. a ring of muscle that contracts to close an opening. synonyms: anatomical sphincter, sphincter muscle. see more. ryobi 18v one+ powered brush hand vacuum
Medical Definition of Urethral sphincter - MedicineNet
WebOct 12, 2024 · A precapillary sphincter is the muscular fibers that control the movement of blood between the arterioles and capillaries. 8 When you exercise, more capillary beds are recruited in the lungs to prepare for an increased need for oxygen in tissues of the body. Signs of Low Blood Pressure Capillary Microcirculation WebPrecapillary sphincters are segments of smooth muscle that help direct bloodflow into capillaries. Because there is a limited amount of blood in the body, these sphinters are important in directing blood to the tissues that need it the most, and reducing the flow to inactive tissues. Created by Rishi Desai. Sort by: WebSphincter definition: A ring-shaped muscle that surrounds a natural opening in the body and can open or close it by expanding or contracting. is feb 24 2023 a holiday