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Incisor


incisor
adapted for cutting, as are certain teeth
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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incisor
A front, chisel-shaped tooth in mammals, normally used for cutting or gnawing. In some species incisors continue to grow throughout life.
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Thrinaxodon has a reduced number of incisors, a precursor to tooth differentiation. Cynognathus (a doglike carnivore) shows a further increase in size of the dentary bone. The other three bones are located inside the back portion of the jaw.
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Some humans with very mild forms of holoprosencephaly just might have a single central incisor, which is indicative of a very mild ventral midline patterning defect.
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dental formula A notation that indicates the number of incisors, canines, premolars, and molars in the upper and lower jaw of a mammal.
denticle A small toothlike process.
denticles (denticulate) Small, toothlike projections.
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milk secreted from mammary glands
hair; conserves body heat permitting even tiny mammals to be warm-blooded
teeth specialized for cutting (incisors), tearing (canines) and grinding (molars) their food
about 4,600 species living today ...
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