circumpharyngeal commissures

circumpharyngeal commissures
(connectives) (ANNELIDA: Oligochaeta)
The two parts of the nerve collar surrounding the esophagus and linking the ventral nerve cord with the cerebral ganglia.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

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