The receptor is the retina of the eye; smooth muscle of the iris is the effector. They both change simultaneously because the pupillary light reflex is contralateral.
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The division of the autonomic nervous system responsible for each of the reflexes is the ciliospinal reflex. Ciliospinal reflex responds mainly by the 2nd and 3rd order nerves to the muscle of the iris.
You just have to look at the person's pupils; they'll be WIDE open and in general, exposure to bright light will not have any effect on the reflex of the iris to shrink.
spinal reflex
There are bearded iris, water iris, dwarf iris, Louisiana iris, and siberian iris. There is also blackberry iris.
Retina- light image is focused on the retina, and it contains the photosensitive receptor cells Pupil- the opening of the eye. The size of the opening is regulated by the iris Iris- pigmented part of the eye (gives people their eye color). The iris is composed of smooth muscle and controlled by reflex.
No, a somatic reflex are the reflexes of the skeletal muscle movements. The gag reflex is considered to be an autonomic reflex.
Iris - Iris album - was created in 1984.
There are over 200 species of iris including Japanese iris, Siberian iris, German iris, Louisiana iris, and water iris.
Iris to Iris is a Christian rock CD by Building 429. It came our in 2007.
knee jerk aka patellar reflex is an example of a stretch reflex