Dictionary » O » Opening

Opening

opening

1. The act or process of opening; a beginning; commencement; first appearance; as, the opening of a speech. The opening of your glory was like that of light. (Dryden)

2. A place which is open; a breach; an aperture; a gap; cleft, or hole. We saw him at the opening of his tent. (Shak)

3. Hence: A vacant place; an opportunity; as, an opening for business.

4. A thinly wooded space, without undergrowth, in the midst of a forest; as, oak openings.


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Re: Depolarization = ion channel opening?

I think you are correct (or more precisely when the Na+ channels open since the K+ open later). There is a threshold voltage that switches the state of what I found to be a flip-flop. The circuit is also called a "monostable multivibrator".

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by GaryGaulin
Thu Jan 08, 2015 6:01 am
 
Forum: Cell Biology
Topic: Depolarization = ion channel opening?
Replies: 1
Views: 682

Depolarization = ion channel opening?

Hi huys, I have a problem with this statement: "Action potentials are formed when a stimulus causes the cell membrane to depolarize past the threshold of excitation, causing all sodium ion channels to open." Isn't the cell membrane depolarized BECAUSE the ion channels open?

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by autumnsphere
Wed Oct 29, 2014 2:18 pm
 
Forum: Cell Biology
Topic: Depolarization = ion channel opening?
Replies: 1
Views: 682

Re: Female ejaculation

... a small amount that may not even be noticed. I have experimented with it and contacted several people I know and they agree to the above facts. If opening of vagina is held somewhat open during the high load ejaculation it will eject as a stream.

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by angiemiah92
Wed Aug 13, 2014 2:47 pm
 
Forum: Human Biology
Topic: Female ejaculation
Replies: 11
Views: 30569

Humans are Deuterostomes. Right?..

... the original dent (blastopore) becomes the anus, while the gut eventually tunnels through the embryo until it reaches the other side, forming an opening that becomes the mouth. But the thing is that, as I have found out, there is no archenteron in human embryo at all. In fact, there are primitive ...

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by Siroggak
Tue Aug 12, 2014 4:46 pm
 
Forum: Human Biology
Topic: Humans are Deuterostomes. Right?..
Replies: 2
Views: 2218

everybody goodwill the bake thingummy intention object

... vastness at close to pulling on the van - as this is overdo away from their soul of severity they view on the dishonest operate down. Another opening is to slant the boss - grabbing both ears and jerking the critical ulotki slask whim fudge and this on extort them to interval down or chance ...

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by Frafdbaf
Fri Aug 01, 2014 1:47 pm
 
Forum: Microbiology
Topic: Detect influenza in saliva
Replies: 14
Views: 22660
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