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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

process, physical process go
a sustained phenomenon or one marked by gradual changes through a series of states

organic process, biological process go
a process occurring in living organisms

activity, bodily process, body process, bodily function go
an organic process that takes place in the body

reaction, response
a bodily process occurring due to the effect of some antecedent stimulus or agent

noun.act

14 Subcategories

automatism go
any reaction that occurs automatically without conscious thought or reflection (especially the undirected behavior seen in psychomotor epilepsy)
rebound go
a reaction to a crisis or setback or frustration
overreaction go
an excessive reaction
galvanic skin response, GSR, psychogalvanic response, electrodermal response, electrical skin response, Fere phenomenon, Tarchanoff phenomenon go
a change in the electrical properties of the skin in response to stress or anxiety
immune response, immune reaction, immunologic response go
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
tropism go
an involuntary orienting response
taxis go
a locomotor response toward or away from an external stimulus by a motile (and usually simple) organism
kinesis go
a movement that is a response to a stimulus but is not oriented with respect to the source of stimulation
double take go
a delayed reaction indicating surprise
reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction go
an automatic instinctive unlearned reaction to a stimulus
learned reaction, learned response go
a reaction that has been acquired by learning
passing, passage go
a bodily reaction of changing from one place or stage to another
answer go
a nonverbal reaction
transfusion reaction go
reaction of the body to a transfusion of blood that is not compatible with its own blood