Tubercle

Definition of Tubercle

Tu´ber`cle
n.1.
1.A small knoblike prominence or excrescence, whether natural or morbid; as, a tubercle on a plant; a tubercle on a bone; the tubercles appearing on the body in leprosy.
2.(Med.) A small mass or aggregation of morbid matter; especially, the deposit which accompanies scrofula or phthisis. This is composed of a hard, grayish, or yellowish, translucent or opaque matter, which gradually softens, and excites suppuration in its vicinity. It is most frequently found in the lungs, causing consumption.
Tubercle bacillus
(Med.) a minute vegetable organism (Mycobacterium tuberculosis, formerly Bacillus tuberculosis, and also called Koch's bacillus) discovered by Koch, a German physician, in the sputum of consumptive patients and in tuberculous tissue. It is the causative agent of tuberculosis.

Related Words

abscess, aposteme, bed sore, bilge, blain, bleb, blister, blob, boil, boss, bow, bubble, bubo, bulb, bulbil, bulge, bulla, bump, bunch, bunion, burl, button, cahot, canker, canker sore, carbuncle, chancre, chancroid, chilblain, chine, clump, cold sore, condyle, convex, corm, dowel, ear, eschar, felon, fester, festering, fever blister, fistula, flange, flap, furuncle, furunculus, gall, gathering, gnarl, gumboil, handle, hemorrhoids, hill, hump, hunch, jog, joggle, kibe, knob, knot, knur, knurl, lesion, lip, loop, lump, mole, mountain, nevus, nub, nubbin, nubble, papilloma, papula, papule, paronychia, parulis, peg, petechia, piles, pimple, pock, polyp, pustule, radicle, radix, rhizome, rib, ridge, ring, rising, root, rootstock, scab, shoulder, soft chancre, sore, spine, stigma, stud, sty, style, suppuration, swelling, tab, tap, taproot, tuber, tubercule, ulcer, ulceration, verruca, vesicle, wale, wart, welt, wheal, whelk, whitlow, wound
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Tuba
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-Tubercle-
Tubercle bacillus
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