neurotoxin (redirected from Neurotoxins)

neurotoxin /neu·ro·tox·in/ (noor´o-tok″sin) a substance that is poisonous or destructive to nerve tissue.

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neu·ro·tox·in (nr-tksn)

n.

See neurolysin.

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neuro·toxic adj.

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Neurotoxin

A substance that damages, destroys, or impairs the functioning of nerve tissue.

Mentioned in: Fugu Poisoning

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neurotoxin

[noo͡r′ōtok′sin]

Etymology: Gk, neuron + toxikon, poison

a toxin that acts directly on the tissues of the central nervous system, traveling along the axis cylinders of the motor nerves to the brain. The toxin may be secreted in the venom of certain snakes, or it may be present on the spines of a shell or in the flesh of fish or shellfish; it may be produced by certain bacteria or by the cellular disintegration of certain bacteria.

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neurotoxin (nerˈ·ō·täkˑ·sin),

n a poisonous substance that damages tissues within the central nervous system; produced by certain bacteria or by the cellular deterioration of some bacteria. Other naturally occurring neurotoxins are present in the venom of some snakes, the spines of particular shells, or the skin of a shellfish or fish. Many drugs and chemicals are also neurotoxic.

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neurotoxin

a substance that is poisonous or destructive to nerve tissue.

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neurotoxin

Toxicology A substance that is toxic or destroys nerve tissue–eg, exotoxins, present in plants and animals and either block conduction of the nerve impulse or synaptic transmission, by binding to the voltage-gated Na⁺ channel protein or ↑ neuronal activity. See Conotoxin, Conus, Puffer fish, Red tide, Shiga neurotoxin.