carnassial tooth


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car·nas·si·al tooth

1. a tooth adapted to shear flesh;
2. the last upper premolar or first lower molar tooth of certain carnivores.

car·nas·si·al tooth

(kahr-nas'ē-ăl tūth)
A long-bladed premolar or molar of the Carnivora that has a cutting or shearing action, as in dogs or cats.
Synonym(s): sectorial tooth.

car·nas·si·al tooth

(kahr-nas'ē-ăl tūth)
Last maxillary premolar or first mandibular molar tooth of some carnivores.
Synonym(s): sectorial tooth.
References in periodicals archive ?
The cranial measurements of two males (UIMNH 15462-63) and three adult females (UAMI 2477 and 1844, TCWC 2845) were, respectively, as follows: greatest length of the skull, 74.8, 69.7, 66.6, 79.8, 74.7; condyloincisive length, 70.8, 65.3, 62.5, 76.9, 70.6; condylocanine length, 64.2, 59.9, 58.1, 69.6, 65.3; palatal length, 30.1, 28.4, 24.3, 32.8, 30.3; length of rostrum, 25.0, 22.4, 21.3, 28.9, 25.2; breadth across upper carnassial tooth, 5.2, 5.5, 4.6, 5.6, 6.5; interorbital constriction, 22.0, 20.8, 19.2, 23.6, 23.1; postorbital constriction, 19.6, 20.0, 19.5, 21.8, 21.7; zygomatic breadth, 48.9, 42.5, 42.4, 45.5, 46.5; braincase breadth, 33.7, 32.9, 27.3, 35.0, 36.3; mastoid breadth, 39.5, 35.8, 33.3, 42.0, 42.0; length of maxillary toothrow, 21.6, 20.6, 21.1, 23.7, 22.3.
37.8 (37.4-38.3), 38.8, 40.6; length of rostrum, 27.1 (26.8-27.5), 29.1, 28.2; breadth across upper carnassial tooth, 8.2 (7.6-8.9), 8.4, 7.8; interorbital constriction 17.7 (16.8-18.5), 18.3, 17.0; postorbital constriction 18.2 (17.7-19.0), 17.7, 19.7; zygomatic breadth 53.2 (51.9-54.4), 54.9, 59.0; braincase breadth 34.8 (34.1-35.1), 35.5, 36.0; mastoid breadth 36.9 (36.1-38.2), 39.8, 41.8; length of maxillary toothrow 33.1 (32.1-33.7), 34.9, 33.6.
The cranial measurements of the adult female were as follows: greatest length of skull, 81.8; condyloincisive length, 79.8; condylocanine length, 75.7; palatal length, 36.7; length of rostrum, 24.0; breadth across upper carnassial tooth, 9.0; interorbital constriction, 17.3; postorbital constriction, 18.0; zygomatic breadth, 51.9; braincase breadth, 33.5; mastoid breadth, 35.7; length of maxillary toothrow, 32.1.