Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Franklin, NH
The dorsal nerve cord is one of the embryonic features unique to chordates, along with a notochord, a post-anal tail and pharyngeal slits. It is a hollow cord dorsal to the no â¦ tochord.ike humans, A dorsal nerve cord would be present on the back of the person or chordate. Some invertebrates such as arthropods, have a ventral nerve cord on the belly..
All chordates at some time in their life have a rodlike bar called the notochord running the length of the body. Lower chordates (acorn worms, tunicates, and amphioxus), which lack a vertebral column, illustrate the most primitive features of the chordate nervous system. In these animalsâ¦