Dictionary » C » Capillary



(Science: anatomy) Any one of the minute vessels that connect the arterioles and venules, forming a network in nearly all parts of the body. Their walls act as semipermeable membranes for the interchange of various substances, including fluids, between the blood and tissue fluid.

Synonym: vas capillare.

Origin: L. Capillaris = hair like

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Forum: Genetics
Topic: pysequencing and sanger sequencing
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Molecules entering the bloodstream from skin absorption

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Wed Jul 11, 2012 11:42 pm
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... 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). So closing the stomata DOES reduce the intake of water.

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by EmperorSunshine
Wed May 23, 2012 4:23 am
Forum: Botany Discussion
Topic: Photorespiration
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Views: 4323

Pre-capillary spinchters

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by anamikariya
Sun Apr 29, 2012 10:54 am
Forum: General Discussion
Topic: Pre-capillary spinchters
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pressure and velocity in blood vessels

in the textbook, it says, "the blood pressure is even lower when it reaches the venules and the vein due to the friction of the capillary wall." However,later it says "The velocity of blood rises slowly again later since the cross sectional area of veins is smaller than capillaries." ...

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by bryanwong
Fri Dec 23, 2011 6:39 am
Forum: Human Biology
Topic: pressure and velocity in blood vessels
Replies: 2
Views: 4529
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