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...