synovia

[Gr. syn=with, and oon; Lat. ovum an egg.] Anat. & Chem.: Joint oil, a fluid by which the joints of animals are lubricated. It is viscid and transparent, is of a yellowish or faintly reddish tint, and a slightly saline taste. According to Frerichs, the synovia of the ox consists of 94.85 water, 0:56 mucus and cells, 007 fat, 351 albumen and extracted matter, and 0.99 salts.