| septal cusp of tricuspid valve | The leaflet of the tricuspid valve located adjacent to the interventricular septum. Synonym: cuspis septalis valvae atrioventricularis dextrae. (05 Mar 2000) |
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| talon cusp | An anomalous cusp that projects lingually from the cingulum of permanent incisors. Origin: Eng. Claw, heel, fr. O. Fr., fr. L. Talus, ankle (05 Mar 2000) |