crista transversalis

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Related to transverse ridge: Oblique ridge, triangular ridge

cris·ta trans·ver·sa·lis

[TA]
a crest or ridge on the occlusal surface of a tooth formed by the union of two triangular crests.
Synonym(s): transverse ridge [TA], transverse crest (2)

cris·ta trans·ver·sa·lis

(kristă tranzvĕr-sālis) [TA]
Crest or ridge on occlusal surface of a tooth formed by union of two triangular crests.
Synonym(s): transverse ridge [TA] .
References in periodicals archive ?
55), sides widest at middle and constricted at base; pronotal base lobed at central third; fore angles right, hind angles obtuse; pronotal surface with a transverse, central ridge extending from side to side, and 2 anterior, central, convergent ridges extending from each side of midline of transverse ridge to anterior border; ridges delimiting 4 depressions as follows: two on anterolateral regions, one central, and one on basal third; ridges and depressions with umbilicate, large, dense punctures.
Thorax: Meso and metathorax tergites, and abdominal tergites and ventrites 18 each with 1 transverse ridge near anterior margin, ridge on ventral surface of abdominal segment 1 lightly sclerotized.
Nematodes had external, round, transverse ridges and 2 transverse striae per each outer ridge interval, which suggested that they were filarial worms of the genus Onchocerca.

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