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What is the name for the widening of capillaries?
The widening of capillaries is known as "capillary dilation" or "capillary vasodilation." This process occurs when the smooth muscles in the walls of the capillaries relax, allowing for increased blood flow to a specific area, often in response to various physiological signals such as heat or inflammation. Capillary dilation plays a crucial role in thermoregulation and the delivery of nutrients to tissues.
What would not result in the dilation of the feeder arterioles and opening of the precapillary sphincters in systemic capillary beds?
a local increase in pH
Why does arteriole dilation increase capillary pressure and flow but venous dilation does not?
Blood flow in the circulatory system is as follows: arteries->arterioles->capillaries->venules->veins. if you dilate the arteriole you are in fact lowering the resistance of the vessel (Poiseuille's Law), and it follows that net flux will increase. If capillary resistance remains the same, but the net flux has increased, then there will be an upwards change in pressure (Ohm's law). As far as veins go, it has a high compliance, which means that it can store large amounts of blood without raising venal pressure. If your question asked whether or not capillary pressure increases when venous dilates then the answer is no. Capillary blood flow will be less restricted as they flow into venules->vein and therefore will not have an increased pressure. If the question asked whether or not the venal pressure increases, then the answer is yes, but it is negligible (it has high compliance).
What Term means the expansion of?
Dilation
What is the most common external type of bleeding?
Capillary
Does an enlargement of a photograph represent a dilation or a rotation?
Dilation
What is the procedure for dilation of the kidney?
The procedure for dilation of the kidney?
Which is thicker an artery or a capillary?
a capillary
What is the opposite of dilation in math?
The opposite of dilation in math is contraction
What is the word for imperfect dilation?
The term for imperfect dilation is "hypodilation." It refers to a condition where dilation does not occur fully or adequately, which can affect various physiological functions, such as the dilation of blood vessels or pupils.
How do you dilate by .50 with (66)?
Dilation (or enlargements require a centre of dilation (or enlargement). Since none has been given, no dilation is possible.
What is capillary reabsorption?
fluid entering the capillary
