Term Name:	conotruncal ridge
Synonyms:	aortico-pulmonary spiral ridges, bulbar ridge, conotruncal cushion, endocardial ridge, outflow tract cushion, outflow tract endocardial cushion, spiral ridge
Definition:	One of the pair of spiral mesenchymal swellings in the primordial ventricular outflow tract, that eventually fuse to form the conotruncal septum, dividing the subvalvular outflow tract and contributing to the membranous interventricular septum[MP]
Ontology:	Uberon Ontology [UBERON:0005967]