Nerve cord may refer to the following structures: in invertebrates, it refers to the
ventral nerve cord, whereas; in chordates, it stands for the dorsal nerve cord.
1 : the pair of closely united ventral longitudinal nerves with their segmental
ganglia that is characteristic of many elongate invertebrates (as earthworms).
Nerve cord definition, a single hollow tract of nervous tissue that constitutes the
central nervous system of chordates and develops into the spinal cord and brain
Dec 29, 2014 ... Nerve cord is a term that can refer to either (1) the single, hollow, ... In the
vertebrates, the embryonic dorsal nerve cord develops into a spinal ...
Main Entry: nerve cord. Function: noun 1 : a pair of closely united nerves that run
along the inside of the body on the lower side of many long-bodied ...
nerve cord. Also found in: Medical, Encyclopedia. Related to nerve cord:
notochord. nerve′ cord`. n. 1. the hollow dorsal tract of nervous tissue that
Oct 1, 2015 ... DORSAL NERVE CORD : The dorsal nerve cord is one of the embryonic features
unique to chordates, along with a notochord, a post-anal tail, ...
Nerve Cord. Also found in: Dictionary, Medical. Related to Nerve Cord: notochord
. nerve cord. [′nərv ‚kȯrd]. (invertebrate zoology). Paired, ventral cords of ...
The ventral nerve cord, connected to the brain by the circumesophageal
connectives, is composed of a double row of ganglia connected longitudinally by
The nervous system of a free-living flatworm such as Planaria (see the diagram)
consists of a brain, longitudinal nerve cords, and peripheral nerve plexuses ...