Editing Tubercle (section)

{{Short description|Rounded outgrowth found on external or internal organs of plants or animals}}
{{For|the lip feature|Cupid's bow}}
[[Image:Mammillaria marksiana.jpg|right|250px|thumb|This view of the cactus ''[[Mammillaria marksiana]]'' shows its pattern of prominent tubercles, with the spines emanating from each tubercle's tip.]]

In [[anatomy]], a '''tubercle''' (literally 'small tuber', Latin for 'lump') is any round [[Nodule (medicine)|nodule]], small [[wikt:eminence|eminence]], or [[wart]]y outgrowth found on external or internal [[Organ (anatomy)|organ]]s of a plant or an animal.