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The difference is important in mechanics. Dilation refers to a uniform enlargement or stretch whereas dilatation refers to general enlargement

RMB Ex. A human pupil dilates and a cat pupil dilatates

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13y ago

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Related Questions

What is the opposite of constrict?

dilate


What vessels cant constrict and dilate?

Capillaries


Why does the veins constrict and dilate during exercise?

Almost all the veins and arteries constrict and dilate during heavy exercise. Even capillaries bring a flush to the face and skin by dilation.


Does adrenaline constrict pupils of the eyes?

dilates them


Why do narcotics make pupils constrict?

They don't, narcotics make your pupils dilate.


What happens to both pupils when light enters?

Pupils "constrict" when light enters, and "dilate "when the lighting dims


Can fear cause pupils to constrict?

Yes, fear can cause pupils to constrict. When the body experiences fear, the sympathetic nervous system is activated, leading to the release of adrenaline. Adrenaline causes the pupils to constrict, allowing the individual to focus on a threat and react quickly.


Does vicidon make your eyes dilate?

No -- rather the opposite. Most opiates, opioid and similar drugs constrict the pupil.


What is it called when a person's pupils no longer dilate from the light?

Pupils don't dilate from light, the constrict. They dilate in the dark, to take in more light, and constrict in the light so your eyes don't get damaged. Hallucinogenics, stimulants and alcohol and make your pupils dilate and opiates and diazepam can make them constrict. Im not sure what that's called though..


What make blood vessels constrict and dilate?

Nothing, blood vessels are nothing because they wont harm you or anything like that.


Does oxygen dilate blood vessels?

No, oxygen does not dilate blood vessels. In fact, oxygen has a vasoconstrictive effect, which means it causes blood vessels to constrict or narrow. This helps regulate blood flow and pressure in the body.


What does the term elastic mean pertaining to arteries?

The term Elastic Arteries usually refers to the ability of blood vessels to dilate and constrict freely.