from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A clear, viscid lubricating fluid secreted by membranes in joint cavities, sheaths of tendons, and bursae.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The lubricating fluid secreted by the synovium of a joint or other such structure.
from the GNU version of the Collaborative International Dictionary of English
- n. A transparent, viscid, lubricating fluid which contains mucin and secreted by synovial membranes; synovial fluid.
from The Century Dictionary and Cyclopedia
- n. The lubricating liquid secreted by a synovial membrane: so called from resembling the white of an egg. It is a nearly colorless liquid containing mucin.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. viscid lubricating fluid secreted by the membrane lining joints and tendon sheaths etc.
They are made by the union of two or more bones, held together by ligaments of fibrous tissue, and are lubricated by a thick, viscid fluid, called synovia, which is secreted by a special membrane inclosing the joints.
"Hyaluronic acid is a component of synovial fluid, and is found in the vitreous humor of the eye, the synovia of joints, and in subcutaneous tissue where it functions is as a cementing agent."
Wounds involving tendons, bursae and closed articulations become swollen and discharge synovia.
This membrane lines the structures that enclose the articulation and secretes a fluid, _the synovia_, that lubricates the surfaces.
They are usually due to the sheaths surrounding the tendons becoming distended with synovia.
-- Bog spavin is an extensive distention of the capular ligament of the hock-joint by synovia (Fig. 48).
In machines, the parts which move upon each other need to be oiled, to keep them from wearing out; but the joints of our bodies oil themselves with a thin fluid, called _synovia_.
In addition to aspirating synovia, the introduction of equal parts of alcohol and tincture of iodin into the theca is necessary.
The application of blistering agents is of no value in stimulating resorption of an excessive amount of synovia in chronic cases and the actual cautery when employed without perforation of the synovial structure, is of little benefit.
Small penetrant wounds which infect the synovial membranes cause infectious arthritis in some cases, whereas a wound of sufficient size to produce evacuation of all synovia will, in many instances, cause no serious distress to the subject, even when not treated for several days.