Dictionary » S » Saltatory



leaping or dancing; having the power of, or used in, leaping or dancing.

(Science: biology) Saltatory evolution, an affection in which pressure of the foot on a floor causes the patient to spring into the air, so as to make repeated involuntary motions of hopping and jumping.

Origin: L. Saltatorius. See Saltant, and cf. Saltire.

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Re: [NEUROSCIENCE]-Two Questions about AP Propagation

I think the second question is referring to thicker axons having nodes of Ranvier and thus can perform saltatory conduction. This would decrease the need for Na+ channels. The answer to the first question sounds pretty reasonable.

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by hymenoptera7
Sun Aug 05, 2012 5:19 am
Forum: Human Biology
Topic: [NEUROSCIENCE]-Two Questions about AP Propagation
Replies: 5
Views: 6334

Myelinated neuron

The gates are concentrated at the nodes of ranvier. it's called saltatory conduction. here: http://en.wikipedia.org/wiki/Saltatory_conduction

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by plasmodesmata11
Tue May 25, 2010 1:48 am
Forum: Human Biology
Topic: Myelinated neuron
Replies: 1
Views: 2032

Saltatory Conduction

I need help understanding saltatory conduction in nerve fibers. I understand how an action potential functions at a local node, but I don't fully understand how that event directly triggers the action potential at the next node. Are the ...

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by MpXnpio
Tue Apr 06, 2010 6:15 pm
Forum: Cell Biology
Topic: Saltatory Conduction
Replies: 1
Views: 2203


i know for thesecond its called the saltatory conduction. but why does it increase the speed?

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by jwalin
Sun Nov 22, 2009 4:24 am
Forum: Human Biology
Topic: neurology
Replies: 5
Views: 4548

The Physics of how the Myelin Sheath actually works.

... spreads passively to the next node. Thus, an action potential propagates along a myelinated axon by jumping from node to node, a process called saltatory conduction. This type of conduction has two main advantages: action potentials travel faster, and metabolic energy is conserved because the ...

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by Nebulae
Wed Feb 27, 2008 8:42 am
Forum: Human Biology
Topic: The Physics of how the Myelin Sheath actually works.
Replies: 17
Views: 23564
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