Schematic diagram showing the central nervous system in yellow, peripheral in orange
Details
Lymph
224
Identifiers
Latin
systema nervosum centrale pars centralis systematis nervosi[1]
Acronym(s)
CNS
MeSH
D002490
TA98
A14.1.00.001
TA2
5364
FMA
55675
Anatomical terminology
[edit on Wikidata]
The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord, the retina and optic nerve, and the olfactory nerve and epithelia. The CNS is so named because the brain integrates the received information and coordinates and influences the activity of all parts of the bodies of bilaterally symmetric and triploblastic animals—that is, all multicellular animals except sponges and diploblasts. It is a structure composed of nervous tissue positioned along the rostral (nose end) to caudal (tail end) axis of the body and may have an enlarged section at the rostral end which is a brain. Only arthropods, cephalopods and vertebrates have a true brain, though precursor structures exist in onychophorans, gastropods and lancelets.
The rest of this article exclusively discusses the vertebrate central nervous system, which is radically distinct from all other animals.
^Farlex Partner Medical Dictionary, Farlex 2012.
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The centralnervoussystem (CNS) is the part of the nervoussystem consisting of the brain and spinal cord, the retina and optic nerve, and the olfactory...
vertebrates, it consists of two main parts, the centralnervoussystem (CNS) and the peripheral nervoussystem (PNS). The CNS consists of the brain and spinal...
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sympathetic nervoussystem (SNS) is one of the three divisions of the autonomic nervoussystem, the others being the parasympathetic nervoussystem and the...
The somatic nervoussystem (SNS) is made up of nerves that link the brain and spinal cord to voluntary or skeletal muscles that are under conscious control...
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Nervoussystem diseases, also known as nervoussystem or neurological disorders, refers to a small class of medical conditions affecting the nervous system...
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