- continental United States.
- the most anterior part of the simple tubular heart of lower vertebrates and embryos of higher vertebrates, leading into the artery that leaves the heart; in mammals it forms a part of the upper wall of the right ventricle, in which the pulmonary artery originates.
Origin of conus arteriosus
Examples from the Web for conus
Historical Examples of conus
The teeth of Conus are hollow and very sharp and have a barb on the end.
With the reduction of the conus the bulbus arteriosus is enlarged.
Conus maculosus is an inhabitant of the last-named locality.Voyage Of H.M.S. Rattlesnake, Vol. 2 (of 2)
Amongst the Teleostomes the lower ganoids show a similar development of longitudinal rows of valves in the conus.
In Amia (fig. 26, B), however, the conus is shortened and the number of valves in each longitudinal row is much reduced.
- anatomy zoology any of several cone-shaped structures, such as the conus medullaris, the lower end of the spinal cord
1885, from Latin conus "cone" (see cone).
- Posterior staphyloma in myopic choroidopathy.
- A conical extension of the right ventricle in the heart, from which the pulmonary artery originates.arterial cone infundibulum