Tubercle meaning

to͝o'bər-kəl, tyo͝o'-
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.
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A nodule or swelling, especially a mass of lymphocytes and epithelioid cells forming the characteristic lesion of tuberculosis.
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Any small, rounded projection or process.
  • Any of the wartlike growths on the roots of some plants.
  • A knoblike elevation, as on a bone.
  • Any abnormal hard nodule or swelling; specif., the typical nodular lesion of tuberculosis.
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An anatomical nodule.
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A small elevation on the surface of a tooth.
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A nodule or swelling, especially a mass of lymphocytes and epithelioid cells forming the characteristic granulomatous lesion of tuberculosis.
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A small rounded projection, swelling, or lump, as on the roots of legumes or on bodily tissue, especially the cluster of inflammatory cells that form in the lungs in tuberculosis.
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(anatomy) 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.
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(botany) A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti.
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(pathology) A small rounded nodule forming the characteristic lesion of tuberculosis.
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Origin of tubercle

  • Latin tūberculum diminutive of tūber lump tuber
    From American Heritage Dictionary of the English Language, 5th Edition

Tubercle Sentence Examples

  • Hind feet with one or two phalanges, in the first toe forming a distinct tubercle visible externally; the second and third toes very slender, of equal length, joined as far From Gould.

  • After making its way into the interior, the intruder sets up a considerable hyper trophy of the tissue, causing the formation of a tubercle, which soon shows a certain differentiation, branches of the vascular bundles of the root being supplied to it.

  • The chief muscular mass, arising from the sternum in the shape of a U, is the pectoralis muscle; its fibres converge into a strong tendon, which is inserted upon the greater tubercle and upper crest of the humerus, which it depresses and slightly rotates forwards during the downstroke.

  • This arises mostly from the angle formed by the keel with the body of the sternum, passes by a strong tendon through the foramen triosseum, and is inserted upon the upper tubercle of the humeral crest, which it rotates and abducts.

  • o, Ocular tubercle.

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