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Dictionary » S » Suction

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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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: 4
Views: 668

Transpiration Please help Me

Well ascent of sap is due to suction force which is due to transpiration. transpiration is an active process, because cells need to constantly pump ions (actively) into stomata guard cells to keep stomata open. Thus, if you really want ...

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by MrMistery
Sun May 03, 2009 3:14 am
 
Forum: Botany Discussion
Topic: Transpiration Please help Me
Replies: 4
Views: 668

Can plants absorb sucrose?

... Water potential is composed both of solute potential(osmotic potential) and pressure potential, which in root cells is negative because of the suction force that originates due to evaporation in leaves. Capillary action contributes to the ascension of water in the xylem, but it does not help ...

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by MrMistery
Wed Jul 02, 2008 7:49 am
 
Forum: Botany Discussion
Topic: Can plants absorb sucrose?
Replies: 12
Views: 7527

Mouth or Nose?

... in the oropharynx. In deliveries that present with meconium staining, the newborn should be suctioned vigorously prior to shoulder presentation. Suction should always be followed in the mouth-then-nose method. If you have any more questions, let me know. Hope this helps. DRG

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by D_GILL911
Sat Jan 12, 2008 2:25 pm
 
Forum: Human Biology
Topic: Mouth or Nose?
Replies: 2
Views: 691

Mouth or Nose?

When a term baby is born, suctioning and oxygenation must immediately follow the delivery. But what should be suctioned first? nasal or oral first? My stand here is from nasal first; if ever that newborn has passed meconium, it would be ...

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by mcar
Sat Jan 12, 2008 12:26 pm
 
Forum: Human Biology
Topic: Mouth or Nose?
Replies: 2
Views: 691
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