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. adj. 1. (Anatomy) relating to the front part of the body; towards the belly. Compare dorsal. 2. (Botany) of, relating to, or situated on the upper or inner side of a plant organ, esp a leaf, that is facing the axis.[C18: from Latin ventrÄlis, from venter abdomen].entral. adj. 1. (Anatomy) relating to the front part of the body; towards the belly. Compare dorsal. 2. (Botany) of, relating to, or situated on the upper or inner side of a plant organ, esp a leaf, that is facing the axis. [C18: from Latin ventrÄlis, from venter abdomen].