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the radial layer
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∙ 13y ago
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Pupil gets larger it dilates pupil gets smaller it?
Contracts
In the experiment on the photopupillary reflex what happened to the pupil of the nonilluminated eye?
Pupil Dilates
What is the muscle that makes the pupil smaller in bright light?
Smooth Muscles.
Any drug that dilates the pupil of the eye is called?
Prozac can dilate the pupil of the eye.
What does the ciliospinal reflex do to the pupil of the eye?
The pupil dilates when stimulated by the pinching on the nape of the neck.
Where does the iris go when your pupil dilates?
The surrounding tissue just expands and contracts with pupil ajustment
What is the black hole in the center of the iris?
The black circle in the middle of the iris in your eye is called a pupil. It dilates to adjust with sunlight.
The iris is composed primarily of two smooth muscle layers?
the radial fibers contract,enlarging the pupil and allowing more light to enter the eye
What muscle is responsible for mydriasis?
a group of smooth muscles called sphincter pupillae cause the pupil constriction which is known as mydriasis.
Does the pupil dilate or constrict when the lid is closed?
it dilates because the pupil wants to maximize the amount of light that enters because it's dark behind the eyelid.
Is the deltoid a skeletal muscle?
The deltoid is an example of skeletal muscle. Some examples of smooth muscle is the muscle lining the GI tract, blood vessels, and the muscles in your eyes that dilate or constrict your pupil. Cardiac muscle is only found in the heart.
Why do your geckos pupils get bigger then get smaller?
The same as ours do... light constricts (smaller), darkness dilates (larger) the pupil.
