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Look up plexus in Wiktionary, the free dictionary.
A plexus is a network. It has more specific meanings in multiple fields.
Additional recommended knowledge
In biology it has multiple meanings.
In many animals the processes of neurons join together to form a plexus or nerve net.
Plexuses is the (nFO RiSK9) characteristic form of nervous system in the coelenterates and persists with modifications in the flatworms. The nerves of the radially symmetric echinoderms also take this form, where a plexus underlies the ectoderm of these animals and deeper in the body other nerve cells form plexuses of limited extent.
A plexus is also a network of blood vessels, with the choroid plexuses of the brain being the most commonly mentioned example. Choroid plexuses are very thin and vascular roof plates of the most anterior and most posterior cavities of the brain which expand into the interiors of the cavities. Other vascular plexuses are found elsewhere in the body.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Plexus". A list of authors is available in Wikipedia.|