Tubercle — Tu ber*cle, n. [L. tuberculum, dim. of tuber: cf. F. tubercule, OF. also tubercle. See {Tuber}.] [1913 Webster] 1. A small knoblike prominence or excrescence, whether natural or morbid; as, a tubercle on a plant; a tubercle on a bone; the… … The Collaborative International Dictionary of English
tubercle — (n.) 1570s, from L. tuberculum a small swelling, dim. of tuber lump (see TUBER (Cf. tuber)) … Etymology dictionary
tubercle — ► NOUN 1) a small rounded projection or protuberance on a bone or on the surface of an animal or plant. 2) a small rounded swelling in the lungs or other tissues, characteristic of tuberculosis. ORIGIN Latin tuberculum small lump or swelling … English terms dictionary
tubercle — [to͞o′bər kəl, tyo͞o′bər kəl] n. [L tuberculum, dim. of tuber: see TUBER] any small, rounded projection or process; specif., a) Bot. any of the wartlike growths on the roots of some plants b) Anat. a knoblike elevation, as on a bone c) Med. any… … English World dictionary
Tubercle — A small tuber, a small lump or bump. * * * 1. A nodule, especially in an anatomic, not pathologic, sense. 2. A circumscribed, rounded, solid elevation on the skin, mucous membrane, or surface of an organ. 3. A slight … Medical dictionary
tubercle — A small round firm swelling or nodule on the surface of carapace or limbs [Ingle, 1983]. Knoblike process; tip usually blunt [Butler, T.H.]. Low protuberance on exoskeleton [Hobbs and Jass, 1988]. (Class Ostracoda): Type of valve sculpture:… … Crustacea glossary
tubercle — n. 1 a small rounded protuberance esp. on a bone. 2 a small rounded swelling on the body or in an organ, esp. a nodular lesion characteristic of tuberculosis in the lungs etc. 3 a small tuber; a wartlike growth. Phrases and idioms: tubercle… … Useful english dictionary
Tubercle bacillus — Tubercle Tu ber*cle, n. [L. tuberculum, dim. of tuber: cf. F. tubercule, OF. also tubercle. See {Tuber}.] [1913 Webster] 1. A small knoblike prominence or excrescence, whether natural or morbid; as, a tubercle on a plant; a tubercle on a bone;… … The Collaborative International Dictionary of English
tubercle of Carabelli — tubercle of Ca·ra·bel·li .kä rä bel ē n a fifth cusp sometimes found on the lingual surface of the upper second deciduous molars and the upper first permanent molars Carabelli Georg (1787 1842) Hungarian dentist. Carabelli was a professor of… … Medical dictionary
tubercle bacillus — n a bacterium of the genus Mycobacterium (M. tuberculosis) that causes tuberculosis in humans also a related mycobacterium (M. bovis) that causes tuberculosis in cattle and sometimes humans esp. in underdeveloped countries * * * Mycobacterium… … Medical dictionary