#reaction.bodily_process__response  a bodily process occurring due to the effect of some foregoing stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
  supertype:  bodily_process__body_process__bodily_function__activity  an organic process that takes place in the body; "respiratory activity"
  subtype:  automatism  any reaction that occurs automatically without conscious thought or reflection (especially the undirected behavior seen in psychomotor epilepsy)
  subtype:  rebound.reaction  a reaction to a crisis or setback or frustration; "he is still on the rebound from his wife's death"
  subtype:  overreaction  an excessive reaction; a reaction with inappropriate emotional behavior
  subtype:  galvanic_skin_response__GSR__psychogalvanic_response__electrodermal_response__electrodermalresponse__electrical_skin_response__Fere_phenomenon__Tarchanoff_phenomenon  a change in the electrical properties of the skin in response to stress or anxiety; can be measured either by recording the electrical resistance of the skin or by recording weak currents generated by the body
  subtype:  immune_response__immune_reaction__immunologic_response__immunologicresponse  a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen
     subtype:  anamnestic_response__anamnestic_reaction  renewed rapid production of an antibody on the second (or subsequent) encounter with the same antigen
     subtype:  humoral_immune_response__humoralimmuneresponse  an immune response (chiefly against bacterial invasion) that is mediated by B cells
     subtype:  cell-mediated_immune_response  an immune response (chiefly against viral or fungal invasions or transplanted tissue) that involves T cells
     subtype:  complement_fixation  an immune response in which an antigen-antibody combination inactivates a complement (so it is unavailable to participate in a second antigen-antibody combination)
  subtype:  tropism  an involuntary orienting response; positive or negative reaction to a stimulus source
     subtype:  ergotropism  an affinity for work
     subtype:  geotropism  an orienting response to gravity
     subtype:  heliotropism  an orienting response to the sun
     subtype:  meteortropism  an effect of climate on biological processes (as the effect on joint pains etc.)
     subtype:  neurotropism  an affinity for neural tissues
     subtype:  phototropism  an orienting response to light
     subtype:  trophotropism  an orienting response to food
  subtype:  taxis.reaction__taxi  a locomotor response toward or away from an external stimulus by a motile (and usually simple) organism
     subtype:  chemotaxis  movement by a cell or organism in reaction to a chemical stimulus
        subtype:  negative_chemotaxis  movement away from a chemical stimulus
        subtype:  positive_chemotaxis  movement toward a chemical stimulus
  subtype:  kinesis__kinesi  a movement that is a response to a stimulus but is not oriented with respect to the source of stimulation
  subtype:  double_take  a delayed reaction indicating surprise
  subtype:  unconditioned_reflex__unconditionedreflex__reflex__instinctive_reflex__instinctivereflex__innate_reflex__inborn_reflex__physiological_reaction__physiologicalreaction  an automatic instinctive unlearned reaction to a stimulus
     subtype:  accommodation_reflex__accommodationreflex  reflex changes in the eyes that enable an object to be focused on the retina
     subtype:  Babinski_reflex__Babinski__Babinski_sign  extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord injury in older persons
     subtype:  belch__burp__burping  a reflex that expels wind noisily from the stomach through the mouth
     subtype:  eye_blink__eyeblink__blink__blinking__wink__winking__nictitation__nictation  a reflex that closes and opens the eyes rapidly
        subtype:  palpebration  repeated blinking or winking (especially if uncontrolled and persistent)
     subtype:  blush__flush  sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
     subtype:  vomiting__vomit__emesis__regurgitation__disgorgement__puking  the reflex act of ejecting the contents of the stomach through the mouth
        subtype:  rumination  regurgitation of small amounts of food; seen in some infants after feeding
        subtype:  hematemesis__hematemesi__haematemesis  vomiting blood
        subtype:  hyperemesis__hyperemesi  severe and excessive vomiting
           subtype:  hyperemesis_gravidarum__hyperemesisgravidarum  hyperemesis during pregnancy; if severe it can result in damage to the brain and liver and kidney
     subtype:  defecation_reflex__rectal_reflex  normal response to the presence of feces in the rectum
     subtype:  yawn__yawning  an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom
        subtype:  pandiculation  yawning and stretching (as when first waking up)
     subtype:  electrical_shock__electric_shock__shock  a reflex response to the passage of electric current through the body
     subtype:  fart__farting__flatus__wind__breaking_wind  a reflex that expels intestinal gas through the anus
     subtype:  gulping__gulp  a spasmodic reflex of the throat made as if in swallowing
     subtype:  knee_jerk__knee-jerk_reflex__patellar_reflex  a reflex extension of the leg resulting from a sharp tap on the patellar tendon
     subtype:  light_reflex__lightreflex__pupillary_reflex__pupillaryreflex__miosis__myosis  reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
     subtype:  mydriasis__mydriasi  reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
     subtype:  micturition_reflex__micturitionreflex  relaxation of the urethral sphincter in response to increased pressure in the bladder
     subtype:  pharyngeal_reflex__gag_reflex__gagreflex  normal reflex consisting of retching; may be produced by touching the soft palate in the back of the mouth
     subtype:  pilomotor_reflex__pilomotorreflex__gooseflesh__goose_bump__goosebump__goose_pimple__goosepimple__goose_skin__gooseskin__horripilation  reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation
     subtype:  plantar_reflex__plantarreflex  flexion of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front in persons over the age of 2 years; under 2 years the results should be extension of the toes (Babinski reflex)
     subtype:  rooting_reflex__rootingreflex  reflex consisting of head-turning and sucking movements elicited in a normal infant by gently stroking the side of the mouth of cheek
     subtype:  startle__jump__start  a sudden involuntary movement: "he awoke with a start"
        subtype:  startle_response__startleresponse__startle_reaction__startlereaction  a complicated involuntary reaction to a sudden unexpected stimulus (especially a loud noise); involves flexion of most skeletal muscles and a variety of visceral reactions
        subtype:  startle_reflex__startlereflex__Moro_reflex  a normal reflex of young infants; a sudden loud noise causes the child to stretch out the arms and flex the legs
        subtype:  flinch__wince  a reflex response to sudden pain
     subtype:  stretch_reflex__stretchreflex__myotacticreflex  reflex contraction of a muscle when an attached tendon is pulled; important in maintaining erect posture
     subtype:  suckling_reflex  reflex behavior in newborn mammals; includes finding and grasping the nipple in the mouth and sucking on it and swallowing the milk
     subtype:  tremble__shiver__shake  reflex shaking caused by cold or fear or excitement
     subtype:  sneeze__sneezing__sternutation  a symptom consisting of the involuntary expulsion of air from the nose
     subtype:  hiccup__hiccough__singultus__singultu  (usually plural) the state of having reflex spasms of the diaphragm accompanied by a rapid closure of the glottis producing an audible sound; sometimes a symptom of indigestion; "how do you cure the hiccups?"
  subtype:  learned_reaction__learnedreaction__learned_response__learnedresponse  a reaction that has been acquired by learning
     subtype:  conditional_reflex__conditionalreflex__conditioned_reflex__conditionedreflex__acquired_reflex__conditional_reaction__conditionalreaction__conditioned_reaction__conditionedreaction__conditional_response__conditionalresponse__conditioned_response__conditionedresponse  an acquired response that is under the control of (conditional on the occurrence of) a stimulus
        subtype:  conditioned_avoidance_response__conditionedavoidanceresponse__conditioned_avoidance__conditionedavoidance  a conditioned response that anticipates the occurrence of an aversive stimulus
  subtype:  passage.reaction__passing  a bodily process of passing from one place or stage to another; "the passage of air from the lungs"; "the passing of flatus"
  subtype:  answer.reaction  a nonverbal reaction; "his answer to any problem was to get drunk"; "their answer was to sue me"
  subtype:  transfusion_reaction__transfusionreaction  reaction of the body to a transfusion of blood that is not compatible with its own blood; an adverse reaction can range from fever and hives to renal failure and shock and death

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