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.
Best Answer: Dorsal is the back of the hand with fingernails, just as the region in back of the spine is dorsal. Ventral is the palm side.If you lay flat your palms are down as is your belly.Anterior is the head end and posterior is the tail end of the spine, the central axis the body reflects across with bilateral symmetry.est Answer: Dorsal is the back of the hand with fingernails, just as the region in back of the spine is dorsal. Ventral is the palm side.