Main Entry: coc·cid·i·oi·din Pronunciation: -'oid-&n, -'oi-"din Function: noun : an antigen derived from a fungusof the genus Coccidioides (C. immitis) while in its mycelial phase and used to detect skin sensitivity to and, by inference, infection with this organism —compare SPHERULIN
coccidioidin coc·cid·i·oi·din (kŏk-sĭd'ē-oid'n) n. A sterile solution containing the byproducts of growth of Coccidioides immitis; it is used as an intracutaneous skin test for coccidioidomycosis.
