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Dictionary » F » Firing

Firing

Definition

noun

(physiology) The discharge of an action potential by a neuron.

(medicine) The old technique where fire or extreme heat is used in cautery.

(general)

(1) The process of combustion where a fuel is ignited and combined with oxygen, releasing heat and light.

(2) The act of discharging, especially of a gun.

(3) The fuel or firewood or coal.


Supplement

Word origin: Middle English fir, from Old English fȳr.

See also: fire


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Results from our forum


PostSynaptic Neuron

... absorbed by the Glia. As you can see malfunctioning in all of the above can cause neurotransmitter to accumulate and to cause continuous firing of the postsynaptic neuron. Postsynaptic neuron sometimes binds the neurotransmitter at places other than the regular ionic channels causing ...

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by freshbiology
Fri Jul 24, 2009 4:40 pm
 
Forum: General Discussion
Topic: PostSynaptic Neuron
Replies: 3
Views: 120

PostSynaptic Neuron

... I was hoping someone could help me understand a little better. The first question is, 1. Give two reasons that may account for the continuous firing of a Postsynaptic Neuron From what I've read, I think one of the reasons is if Cholinesterase wasn't active to destroy the Acetylcholine, and ...

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by Asanii
Fri Jul 24, 2009 2:28 am
 
Forum: General Discussion
Topic: PostSynaptic Neuron
Replies: 3
Views: 120

Calcium ions

... vesicle needs to fuse with the plasma membrane in order for the neurotransmitter to be released into the synaptic cleft. When the neuron is not firing, some vesicles are tethered to the plasma membrane(mainly through Rab proteins, but not only; some SNARE interactions are also involved, but ...

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by MrMistery
Fri Nov 28, 2008 4:14 pm
 
Forum: Human Biology
Topic: Calcium ions
Replies: 2
Views: 865

Re: Muscle Contraction: Strength

... in a single muscle - recruitment (varies contraction strength by activating and deactivating motor units ) - rate coding (frequency, changes in firing rate of motor units) - synchronization Important things: - a motor unit is either ON or OFF. There is no gradation of force produced by a motor ...

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by Nad
Tue Jul 15, 2008 11:06 am
 
Forum: Molecular Biology
Topic: Muscle Contraction: Strength
Replies: 4
Views: 2440

Brain and muscles

There are patterns of brain neurons firing in particular places - different clusters are involved in different aspects of decision-making and coordinating a response. We're a long way from truly understanding it all, but basically many cells ...

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by Darby
Sun Mar 30, 2008 11:34 pm
 
Forum: Human Biology
Topic: Brain and muscles
Replies: 3
Views: 675
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