Tubercle: Difference between revisions

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When it is used in relation to certain dorid [[nudibranch]]s such as ''[[Peltodoris nobilis]]'', it means the nodules on the dorsum of the animal. The tubercles in nudibranchs can present themselves in different ways: each tubercle in a single, rounded, conical or angular form, in a compound form of 2 or more levels, tubercles in amalgamated clusters or as tubercles forming, or joined by a ridge.
 
Tubercles found on the leading edge of [[humpback whale]]'s' flippers were demonstrated to improve fluid flow over the flipper's surface, exhibiting the [[tubercle effect]] of fluid dynamics.<ref>[http://apps.dtic.mil/dtic/tr/fulltext/u2/a511517.pdf Leading-edge tubercles delay stall on humpback whale (Megaptera novaeangliae) flippers], DS Miklosovic, MM Murray, LE Howle, FE Fish, Physics of Fluids (1994-present) 16 (5), L39-L42, 2004</ref>
 
[[File:Edmontosaurusskin.jpg|thumb|right|Skin impression from the abdomen of the [[hadrosaurid|duck-billed]] [[dinosaur]] ''[[Edmontosaurus|Edmontosaurus annectens]]'', showing tubercular scales]]