Noun
nerve cord (plural nerve cords)
(anatomy) A dorsal tubular cord of nervous tissue above the notochord of a chordate.
A peripheral nervous system branches out from the nerve cord to innervate the various systems. Source: Internet
Central nervous system The central nervous system of vertebrates is based on a hollow nerve cord running along the length of the animal. Source: Internet
The dorsal tracheae supply oxygen to the dorsal musculature and vessels, while the ventral tracheae supply the ventral musculature and nerve cord, and the visceral tracheae supply the guts, fat bodies, and gonads. Source: Internet
The fundamental bilaterian body form is a tube with a hollow gut cavity running from mouth to anus, and a nerve cord with an enlargement (a "ganglion") for each body segment, with an especially large ganglion at the front, called the "brain". Source: Internet
The nervous system consists of a single or double ventral nerve cord running the length of the body, with ganglia and a series of small nerves in each segment. Source: Internet
The nervous system consists of a ventral nerve cord that runs the length of the body, with several ganglia and branches along the way reaching into the extremities of the appendages. Source: Internet