How to use Nerve-cord in a sentence
In this Annelid later the sac in question joins its fellow, passing beneath the nerve cord exactly as in the leech, and also grows out to reach the exterior.
There is a welldeveloped brain dorsal, to the mouth; this gives off a pair of oesophageal commissures, which surround the oesophagus and unite in a median ventral nerve-cord which runs between the longitudinal muscles to the posterior end of the body.
Strands breaking up the f, Ventral nerve-cord.
There is a single unsegmented nerve-cord which runs along the ventral middle line and enlarges posteriorly into a caudal ganglion and anteriorly in a ganglion, the brain, which is not supra-oesophageal.
For the sake of uniformity in nomenclature this nerve-cord may be called the neurochord.Advertisement
Each of the ventral parts acquires an opening to the exterior, just outside the nerve-cord, G (After Sedgwick.) FIG.