pupillary reflex - significado y definición. Qué es pupillary reflex
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Qué (quién) es pupillary reflex - definición


Pupillary light reflex         
  • halogen penlight]] used to observe pupillary light reflex.
  • Schematic diagram of pupillary light reflex neural pathway
REFLEX CONTROLLING THE DIAMETER OF THE PUPIL IN RESPONSE TO THE INTENSITY OF LIGHT
The pupillary light reflex (PLR) or photopupillary reflex is a reflex that controls the diameter of the pupil, in response to the intensity (luminance) of light that falls on the retinal ganglion cells of the retina in the back of the eye, thereby assisting in adaptation of vision to various levels of lightness/darkness. A greater intensity of light causes the pupil to constrict (miosis/myosis; thereby allowing less light in), whereas a lower intensity of light causes the pupil to dilate (mydriasis, expansion; thereby allowing more light in).
Flinching         
  • An example of reflex reversal is depicted. Activating the same spinal reflex pathway can cause limb flexion while standing, and extension while walking.
  • The simplest reflex is initiated by a stimulus, which activates an afferent nerve. The signal is then passed to a response neuron, which generates a response.
AUTOMATIC, SUBCONSCIOUS RESPONSE TO A STIMULUS
Reflex reaction; Reflexes; Reflex test; Reflectory reaction; Reflectory; Reflex, abnormal; Reflex action; Medical reflex; Body reflexes; Instinctive reflex; Involuntary action; Reflex response; Involuntary behavior; Human reflex; Flinching
·p.pr. & ·vb.n. of Flinch.
Withdrawal reflex         
SPINAL REFLEX
Pain withdrawal reflex; Pain Withdrawal Reflex; Nociceptor reflex; Flexor reflex; Flexion reflex; Nociceptive flexion reflex; RIII reflex; Nociceptive flexion response
The withdrawal reflex (nociceptive flexion reflex or flexor withdrawal reflex) is a spinal reflex intended to protect the body from damaging stimuli. The reflex rapidly coordinates the contractions of all the flexor muscles and the relaxations of the extensors in that limb causing sudden withdrawal from the potentially damaging stimulus.

Wikipedia

Pupillary reflex
Pupillary reflex refers to one of the reflexes associated with pupillary function.