conus arteriosus

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Related to conus arteriosus: aortic vestibule

co·nus ar·te·ri·o·sus

 (kō′nəs är-tîr′ē-ō′səs)
n. pl. co·ni ar·te·ri·o·si (kō′nī är-tîr′ē-ō′sī, kō′nē är-tîr′ē-ō′sē)
1. A conical extension of the right ventricle in the heart of mammals, from which the pulmonary artery originates.
2. An extension of the ventricle in the heart of amphibians and certain fish.

[New Latin cōnus artēriōsus : Latin cōnus, cone + Medieval Latin artēriōsus, arterial.]
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The patient had a history of surgery for atrial septal defect (ASD), pulmonary valve stenosis (PVS) and deformity of conus arteriosus when he was 3-year-old.
The embryological basis of DCRV has not been clearly described and DCRV coexisting ASD and PVS may be the result of conus arteriosus deformity.