Definition of Tubercle

1. Noun. A swelling that is the characteristic lesion of tuberculosis.

Generic synonyms: Lesion
Derivative terms: Tubercular, Tubercular, Tuberculous

2. Noun. Small rounded wartlike protuberance on a plant.
Exact synonyms: Nodule
Generic synonyms: Enation, Plant Process
Derivative terms: Nodular, Nodular

3. Noun. A protuberance on a bone especially for attachment of a muscle or ligament.
Exact synonyms: Eminence, Tuberosity
Specialized synonyms: Deltoid Eminence, Deltoid Tuberosity
Generic synonyms: Appendage, Outgrowth, Process
Derivative terms: Tubercular, Tuberous

Definition of Tubercle

1. n. 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.

Definition of Tubercle

1. Noun. (anatomy) A round nodule, small eminence, or warty outgrowth found on bones especially for the attachment of a muscle or ligament. A small elevation on the surface of a tooth. ¹

2. Noun. (botany) A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti. ¹

3. Noun. (pathology) A small rounded nodule forming the characteristic lesion of tuberculosis. ¹

¹ Source:

Definition of Tubercle

1. a small, rounded swelling [n -S]

Medical Definition of Tubercle

1. Chronic inflammatory focus, a granuloma, caused by Mycobacterium tuberculosis. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Tubercle Pictures

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Lexicographical Neighbors of Tubercle

tuber frontale
tuber ischiadicum
tuber maxillae
tuber of ischium
tuber of vermis
tuber omentale
tuber parietale
tuber radii
tuber root
tuber valvulae
tuber vermis
tuber zygomaticum
tuberal nuclei
tubercle (current term)
tubercle bacillus
tubercle of anterior scalene muscle
tubercle of iliac crest
tubercle of nucleus gracilis
tubercle of rib
tubercle of saddle
tubercle of scaphoid bone
tubercle of tooth
tubercle of trapezium
tubercle of upper lip
tubercula dolorosa

Literary usage of Tubercle

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings by Philadelphia County Medical Society (1888)
"See is a firm believer in the diagnostic value of tubercle bacilli in sputa. ... He concludes that tubercle bacilli in sputa are of the greatest diagnostic ..."

2. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"Koch affirmed that the difference between the bovine tubercle-bacillus (that is, the bacillus causing disease in cattle) and the human tubercle-bacillus was ..."

3. Annual Report by Indiana State Board of Health (1917)
"Table 34 shows all specimens other than sputum examined for tubercle ... This table shows how seldom tubercle bacilli are found in anything but sputum. ..."

4. A System of Medicine by John Russell Reynolds, Henry Hartshorne (1880)
"The term tubercle literally implies a little swelling, and in this sense it still ... At present, by tubercle is understood a peculiar morbid deposit, ..."

5. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1894)
"Showed no distinct tubercle in 80 days. 12. 5. Guinea-pig. Same methods, only in dusk. ... Gave well-marked tubercle after 42 days. ..."

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