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What is the receptor in pupillary reflex and the effector do both change simultaneously in pupillary reflex?

The receptor in the pupillary reflex is the optic nerve, which senses changes in light intensity. The effector is the circular and radial muscles of the iris, which control the size of the pupil. In the pupillary reflex, both the receptor and the effector work together to adjust the size of the pupil to regulate the amount of light entering the eye.


Is the pupillary light reflex autonomic and somatic?

Yes, the pupillary light reflex is mediated by both autonomic and somatic nervous systems. The autonomic nervous system controls the constriction of the pupil in response to light, while the somatic nervous system controls the movement of the muscles that dilate and constrict the pupil.


What is papillary reflex?

You probably mean the pupillary reflex. It is the reflex responsible for your pupils constricting (becoming smaller) when exposed to light and dilating (becoming bigger) when you walk into a dark room.


In the experiment on the photopupillary reflex what happened to the pupil of the nonilluminated eye?

In the experiment on the photopupillary reflex, when light is shone into one eye causing pupillary constriction (direct response), the nonilluminated eye will also exhibit pupillary constriction (consensual response) due to neural connections between both eyes and the brain. This demonstrates the consensual response component of the pupillary light reflex.


What is the term for the reflex that protects the eye from too much direct light that might damage the retina?

The term is "pupillary light reflex." This reflex causes the pupil to constrict in response to a bright light stimulus, which helps protect the retina from excessive light exposure.

Related Questions

The pupillary light reflex is control by what autonomic nervous system?

pupillary light reflex is controlled by parasympathetic branch of Autonomous nervous system


What is the receptor in pupillary reflex and the effector do both change simultaneously in pupillary reflex?

The receptor in the pupillary reflex is the optic nerve, which senses changes in light intensity. The effector is the circular and radial muscles of the iris, which control the size of the pupil. In the pupillary reflex, both the receptor and the effector work together to adjust the size of the pupil to regulate the amount of light entering the eye.


Is the pupillary light reflex autonomic and somatic?

Yes, the pupillary light reflex is mediated by both autonomic and somatic nervous systems. The autonomic nervous system controls the constriction of the pupil in response to light, while the somatic nervous system controls the movement of the muscles that dilate and constrict the pupil.


Is the pupillary light reflex sympathetic?

While pupillary size in principle is controlled both by the sympathetic and the parasympathic nervous system, the typical closure of the pupil after illumination (i.e. the pupillary light reflex) is mediated by the parasympathetic innervation of the constrictor muscle of the pupil.


What reflexes are classified as autonomic reflexes?

The ciliospinal reflex and the pupillary light reflex are classified as autonomic reflexes.


Why does the pupillary reflex benefit you?

The pupillary reflex helps to regulate the amount of light entering the eye, allowing for optimal vision in changing light conditions. This reflex helps protect the retina from damage due to excessive light exposure and ensures that visual information is processed effectively by the brain.


What nerve acts as the afferent pathway in the pupillary reflex?

The optic nerve (cranial nerve II) carries sensory information about light intensity to the brain as part of the afferent pathway in the pupillary reflex.


What is papillary reflex?

You probably mean the pupillary reflex. It is the reflex responsible for your pupils constricting (becoming smaller) when exposed to light and dilating (becoming bigger) when you walk into a dark room.


Name the division of autonomic nervous system responsible for pupillary light reflex?

The division of autonomic nervous system responsible for pupillary light reflex is the parasympathetic system. This is what causes the pupils to close down or open up in response to lighting conditions.


In the experiment on the photopupillary reflex what happened to the pupil of the nonilluminated eye?

In the experiment on the photopupillary reflex, when light is shone into one eye causing pupillary constriction (direct response), the nonilluminated eye will also exhibit pupillary constriction (consensual response) due to neural connections between both eyes and the brain. This demonstrates the consensual response component of the pupillary light reflex.


How does the patella reflex differ from the pupillary reflex?

The patellar reflex involves the tapping of the patellar tendon to elicit a knee jerk response, testing the integrity of the spinal nerves. The pupillary reflex involves the constriction of the pupils in response to bright light, mediated by the autonomic nervous system. Both reflexes are protective mechanisms but involve different anatomical pathways.


Pupillary light reflex somatic or autonomic?

The pupillary light reflex is an autonomic response controlled by the parasympathetic and sympathetic branches of the autonomic nervous system. When light is detected by the retina, signals are sent to the brainstem to constrict the pupil (parasympathetic activation) or dilate the pupil (sympathetic activation) depending on the intensity of the light.