Reflex
Of reaction. May also be referred to as inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex action, reflex response and unconditioned reflex.
An automatic instinctive unlearned reaction to a stimulus.
This concept's ID is @1~4486
Symptom
- sneeze
A symptom consisting of the involuntary expulsion of air from the nose.
- hiccup
(usually plural) the state of having reflex spasms of the diaphragm accompanied by a rapid...
Expulsion
- vomit
The reflex act of ejecting the contents of the stomach through the mouth.
- belch
A reflex that expels gas noisily from the stomach through the mouth.
Also contains
- jump
A sudden involuntary movement; "he awoke with a start".
- blink
A reflex that closes and opens the eyes rapidly.
- yawn
An involuntary intake of breath through a wide open mouth; usually triggered by fatigue or...
- blush
Sudden reddening of the face (as from embarrassment or guilt or shame or modesty).
- electric shock
A reflex response to the passage of electric current through the body; "subjects...
- wind
A reflex that expels intestinal gas through the anus.
- gulp
A spasmodic reflex of the throat made as if in swallowing.
- knee jerk
A reflex extension of the leg resulting from a sharp tap on the patellar tendon.
- light reflex
Reflex contraction of the sphincter muscle of the iris in response to a bright light...
- mydriasis
Reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a...
- micturition reflex
Relaxation of the urethral sphincter in response to increased pressure in the...
- pharyngeal reflex
Normal reflex consisting of retching; may be produced by touching the soft palate...
- pilomotor reflex
Reflex erection of hairs of the skin in response to cold or emotional stress or...
- plantar reflex
Flexion of the toes when the sole of the foot is stroked firmly on the outer side...
- rooting reflex
Reflex consisting of head-turning and sucking movements elicited in a normal infant...
- stretch reflex
Reflex contraction of a muscle when an attached tendon is pulled; important in maintaining...
- suckling reflex
Reflex behavior in newborn mammals; includes finding and grasping the nipple in...
- shake
A reflex motion caused by cold or fear or excitement.
- defecation reflex
Normal response to the presence of feces in the rectum.
- accommodation reflex
Reflex changes in the eyes that enable an object to be focused on the reti...
- Babinski
Extension upward of the toes when the sole of the foot is stroked firmly on the outer side...