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Suction

suction

The act or process of sucking; the act of drawing, as fluids, by exhausting the air. Suction chamber, the chamber of a pump into which the suction pipe delivers. Suction pipe, Suction valve, the induction pipe, and induction valve, of a pump, respectively. Suction pump, the common pump, in which the water is raised into the barrel by atmospheric pressure.

Origin: L. Sugere, suctum, to suck; cf. OF. Suction. See Suck.


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Re:

... through stomata. Thus closing stomata does not reduce intake of water. Pedantry: I thought the evaporation of water through the stomata creates suction which is one of the several mechanisms that draw water upwards into the leaves (the other mechanisms being capillary action and osmotic pressure). ...

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by EmperorSunshine
Wed May 23, 2012 4:23 am
 
Forum: Botany Discussion
Topic: Photorespiration
Replies: 3
Views: 3625

Re:

... for microinjection, but the one I've seen in action was quite a straightforward one: the "blunt needle" / cell holder has a verly mild suction applied to it, which keeps the target cell in place. Then the injection needle is guided there manually (by stabilising help of the needle holder, ...

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by hashemyemen
Mon Mar 22, 2010 4:03 pm
 
Forum: General Discussion
Topic: Question to be answered please
Replies: 32
Views: 12529

Question to be answered please

... for microinjection, but the one I've seen in action was quite a straightforward one: the "blunt needle" / cell holder has a verly mild suction applied to it, which keeps the target cell in place. Then the injection needle is guided there manually (by stabilising help of the needle holder, ...

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by biohazard
Mon Mar 22, 2010 2:07 pm
 
Forum: General Discussion
Topic: Question to be answered please
Replies: 32
Views: 12529

Transpiration Please help Me

ohhh that slipped my mind very true mass flow moves the water but the evaporation pull (suction) is due to transpiration that needs energy thank you soo much

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by jwalin
Mon Dec 14, 2009 10:42 am
 
Forum: Botany Discussion
Topic: Transpiration Please help Me
Replies: 29
Views: 27769

Transpiration Please help Me

Xylem vessels consist of dead cells and use purely evapotranspiration(and meniscus to an extent) as a suction force to carry water only(with dissolved ions) and as a result can only move water towards the leaves. Pheolem cells on the other hand are alive and can pump sap in ...

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by futurezoologist
Sun May 31, 2009 11:27 am
 
Forum: Botany Discussion
Topic: Transpiration Please help Me
Replies: 29
Views: 27769
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