trigonid


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Related to trigonid: lophodont

tri·gon·id

(trī-gon'id, -gō'nid),
The first three dominant cusps, taken collectively, of a lower molar tooth.
See also: trigone.

tri·gon·id

(trī'gŏ-nid)
The first three dominant cusps, taken collectively, of a lower molar tooth.
See also: trigone

trigonid

(trī-gō′nĭd)
The first three cusps of a lower molar tooth.

tri·gon·id

(trī-gon'id)
First three dominant cusps of a lower molar tooth.
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References in periodicals archive ?
Additionally, a third distinct species exists in manuscript form and can be differentiated by smaller size and a wider talonid than trigonid on the m1 (7).
Canis nehringi has an enlarged ml as on TERA-154, but lacks accessory cuspids on the posterior margin of the trigonid as on the specimen from Terapa.
Canis dirus has a deep and robust mandible, a short and robust canine, a p1 that is single rooted and with a single principal cusp, a p2 that is double rooted with a small posterior accessory cuspid, a p3 with a large posterior accessory cusp, a large and robust p4 that is larger than the p3, and a massive and heavy ml with small accessory cuspids on the posterior margin of the trigonid (Merriam, 1912; Berta, 1988).
SDSM 82104 exhibits tall, conical cusps on the trigonid and a nearly identical size and morphology to the paratype specimen.