keratin pearl n.
A focus of central keratinization found within concentric layers of abnormal squamous cells, occurring in squamous cell carcinoma. Also called epithelial pearl.
- Keratitis sicca
keratitis sicca keratitis sic·ca (sĭk’ə) n. Inflammation of the conjunctiva and cornea of the eye with decreased tears.
1. variant of : keratogenous. combining form 1. indicating horn or a horny substance: keratin, keratogenous 2. indicating the cornea: keratoplasty before vowels, kerat-, word-forming element meaning “horn, horny,” from Greek keras (genitive keratos) “horn,” from PIE *ker- (1) “horn, head” (see horn (n.)). kerato- or kerat- or cerato- or cerat- pref.
keratoacanthoma ker·a·to·ac·an·tho·ma (kěr’ə-tō-āk’ən-thō’mə) n. A rapidly growing skin tumor having a central keratin mass and usually occurring on exposed areas, invading the dermis but remaining localized and usually healing spontaneously.
keratocele ker·a·to·cele (kěr’ə-tō-sēl’) n. A herniation of Descemet’s membrane through a defect in the outer layer of the cornea.