tubercle

A small rounded projecting part or outgrowth, such as a wartlike excrescence on the roots of some leguminous plants or a knoblike process in the skin or on a bone.

A nodule or swelling, especially a mass of lymphocytes and epithelioid cells forming the characteristic lesion of tuberculosis.

A little tuber, or tubercule; a small tuberosity; especially, a small projection of a bone, for the attachment of a ligament or tendon, as of the femur, hyoid, scaphoid, ulna, tibia, zygoma, etc. See tuberculum and tuberosity.

A roughness on the humerus for the insertion of the deltoid muscle: usually called deltoid ridge.

A small knoblike prominence or excrescence, whether natural or morbid

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.

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.

A round nodule, small eminence, or warty outgrowth, especially those found on bones for the attachment of a muscle or ligament or small elevations on the surface of a tooth.

A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti.

A small rounded nodule forming the characteristic lesion of tuberculosis.