a small fluid-filled sac that reduces friction between movable parts of the body, esp at joints
zoology any saclike cavity or structure
First recorded in 1795–1805; from New Latin, Late Latin bursa “bag, pouch, purse,” from Greek býrsa “hide, leather”
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
McVay said a few days later that a bursa sac in Nacua’s knee had burst.
From Los Angeles Times • Sep. 9, 2024
Thomopoulos and Marshall explored this possibility by injecting corticosteroid microspheres into the bursa of their rat model after tendon injury.
From Science Daily • Apr. 25, 2024
If the bursa is not removed, the tissue could be used to deliver drugs to the repaired tendon to improve healing.
From Science Daily • Apr. 25, 2024
Small fluid-filled sacs called bursa, which normally cushion the joint, may instead swell and ache.
From New York Times • Dec. 29, 2022
The synovial membrane extends beneath the quadriceps extensor as a cul-de-sac, which either communicates with the sub-crural bursa, or forms with it one continuous cavity.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
