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.
Additionally, this term is used in botanical understandings, such as the dorsal side of a leaf. Ventral. Ventral is the underside of an organism or an organ. The abdomen and/or belly is usually located at the ventral side of an organism, and many important organs and organ systems are found in this region of the body. Ventral side bears more external organs than the dorsal side usually does. â¢ Usually, the dorsal side is hardy while the ventral side is tender. Related posts: 1  Difference Between Plasmid and Cosmid. 2  Difference Between Grain and Seed.