For most Parkinson's patients, the cause lies somewhere in the middle. While many Parkinson's patients report one or more family members with the disease, it is not always clear that one or several genes are the cause.
In fish there are two aorta: the ventral aorta that carries blood to the gills, and a separate dorsal aorta that carries the blood to the body.This works well with a fish's two chambered heart.n fish there are two aorta: the ventral aorta that carries blood to the gills, and a separate dorsal aorta that carries the blood to the body.
ventral. 1. pertaining to the abdomen or to any venter. 2. directed toward or situated on the belly surface; opposite of dorsal. ventral coccygeal myotomy. tail setting operation in horses.entral. 1. pertaining to the abdomen or to any venter. 2. directed toward or situated on the belly surface; opposite of dorsal. ventral coccygeal myotomy. tail setting operation in horses.