tubercle

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noun tu·ber·cle \ ˈtü-bər-kəl , ˈtyü- \

Definition of tubercle

1 :a small knobby prominence or excrescence especially on a plant or animal :nodule: such as
a :a protuberance near the head of a rib that articulates with the transverse process of a vertebra
b :any of several prominences in the central nervous system
c :nodule b
2 :a small abnormal discrete lump in the substance of an organ or in the skin; especially :the specific lesion of tuberculosis

Origin and Etymology of tubercle

Latin tuberculum, diminutive of tuber


Medical Dictionary

tubercle

play
noun tu·ber·cle \ ˈt(y)ü-bər-kəl \

medical Definition of tubercle

1 :a small knobby prominence or excrescence: as
a :a prominence on the crown of a molar tooth
b :a small rough prominence (as the greater tubercle or adductor tubercle) on a bone usually being smaller than a tuberosity and serving for the attachment of one or more muscles or ligaments
c :an eminence near the head of a rib that articulates with the transverse process of a vertebra
d :any of several prominences (as the acoustic tubercle) in the central nervous system that mark the nuclei of various nerves
2 :a small discrete lump in the substance of an organ or in the skin; especially :the specific lesion of tuberculosis consisting of a packed mass of epithelioid cells, giant cells, disintegration products of white blood cells and bacilli, and usually a necrotic center

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