physiological reaction


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Noun1.physiological reaction - an automatic instinctive unlearned reaction to a stimulusphysiological reaction - an automatic instinctive unlearned reaction to a stimulus
accommodation reflex - reflex changes in the eyes that enable an object to be focused on the retina
Babinski, Babinski reflex, 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
belch, burp, burping, eructation, belching - a reflex that expels gas noisily from the stomach through the mouth
blink, blinking, eye blink, nictation, nictitation, winking, wink - a reflex that closes and opens the eyes rapidly
blush, flush - sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
disgorgement, emesis, puking, vomiting, regurgitation, vomit - the reflex act of ejecting the contents of the stomach through the mouth
defecation reflex, rectal reflex - normal response to the presence of feces in the rectum
yawn, yawning, oscitance, oscitancy - an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; "he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"; "he apologized for his oscitancy"
electrical shock, shock, electric shock - a reflex response to the passage of electric current through the body; "subjects received a small electric shock when they made the wrong response"; "electricians get accustomed to occasional shocks"
breaking wind, farting, flatus, wind - a reflex that expels intestinal gas through the anus
gulping, gulp - a spasmodic reflex of the throat made as if in swallowing
response, reaction - a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
knee jerk, knee-jerk reflex, patellar reflex - a reflex extension of the leg resulting from a sharp tap on the patellar tendon
light reflex, pupillary reflex, 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
mydriasis - reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
micturition reflex - relaxation of the urethral sphincter in response to increased pressure in the bladder
gag reflex, pharyngeal reflex - normal reflex consisting of retching; may be produced by touching the soft palate in the back of the mouth
goose bump, goose pimple, goose skin, goosebump, gooseflesh, horripilation, pilomotor reflex - reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation
plantar reflex - 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)
rooting reflex - reflex consisting of head-turning and sucking movements elicited in a normal infant by gently stroking the side of the mouth or cheek
startle, jump, start - a sudden involuntary movement; "he awoke with a start"
myotactic reflex, stretch reflex - reflex contraction of a muscle when an attached tendon is pulled; important in maintaining erect posture
suckling reflex - reflex behavior in newborn mammals; includes finding and grasping the nipple in the mouth and sucking on it and swallowing the milk
shiver, tremble, shake - a reflex motion caused by cold or fear or excitement
sneeze, sneezing, sternutation - a symptom consisting of the involuntary expulsion of air from the nose
hiccough, hiccup, singultus - (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?"
References in periodicals archive ?
Andrew Sutherland, Oldham's director of education and early years, said: "We do know that when some young people are under significant stress, then there can be a physiological reaction caused by cortisol, for example, so their behaviour levels wouldn't be rational in the way we would normally anticipate.
Physiological Reaction of Erythrocytes' Micro Rheological Peculiarities in Milk Fed Piglets after the Negative Impact of the Environment.
Rather than imposing a chemical drug on the body to temporarily mask symptoms, homeopathic natural active ingredients attempt to stimulate a physiological reaction of the body's healing mechanisms, encouraging the body to maintain proper health naturally.
Pancreatic growth and regeneration occur through the interaction of CCK with CCK receptors, proteins that bind to CCK to produce a physiological reaction.
They can also be something like hyper vigilant, and it's a physiological reaction on exposure to internal or external cues that remind them of symbols or aspects of the traumatic event, she explains.
physiological reaction to camel milk consumption and the second
"We believe that experiences are meaningful because they create an emotional reaction, even a physiological reaction."
Perceptions of stress trigger biological changes that lead to a physiological reaction affecting health.
As Gag reflex mostly is initiated by introduction of foreign body into the oral cavity, which is a physiological reaction controlled by the nerve endings situated on the soft palate, pharynx and pharyngeal part of the tongue.
She also believes that the dependence created by caffeine can cause a physiological reaction that triggers headaches.
Similasan Corp., another supplier of treatments that reputedly stimulate a physiological reaction of the body's healing mechanisms, offers remedies for ailments of the eyes, ears, nose, nerves, skin and chest.
He's improving in terms of his physiological reaction. We're not seeing any red flags because he's preparing so well.''

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