[jĕ-lo´sis] a hard, swollen lump in a tissue, especially in muscle.
ge·lo·sis
(jĕ-lō'sis), An extremely firm mass in tissue (especially in a muscle), with a consistency resembling that of frozen tissue. [L. gelo, to freeze, congeal, + G. -osis, condition]
gelosis
An obsolete term for any indured mass within the muscle, often a so-called "knot”.