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reflex
(redirected from quadrupedal extensor reflex)

   Also found in: Medical, Legal, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
re·flex  (rflks)
adj.
1. Bent, turned, or thrown back; reflected.
2. Physiology Being an involuntary action or response, such as a sneeze, blink, or hiccup.
3. Produced as an automatic response or reaction: reflex opposition to change.
n.
1.
a. Something, such as light or heat, that is reflected.
b. An image produced by reflection.
c. A copy or reproduction.
2. Physiology An involuntary response to a stimulus.
3. Psychology An unlearned or instinctive response to a stimulus.
4. Linguistics A form or feature that reflects or represents an earlier, often reconstructed, form or feature having undergone phonetic or other change.
tr.v. (r-flks) re·flexed, re·flex·ing, re·flex·es
1. To bend, turn back, or reflect.
2. To cause to undergo a reflex process.

[From Middle English reflexen, to refract light, bend back, from Latin reflexus, past participle of reflectere, to bend back; see reflect.]

reflex
n [ˈriːflɛks]
1. (Life Sciences & Allied Applications / Physiology)
a.  an immediate involuntary response, esp one that is innate, such as coughing or removal of the hand from a hot surface, evoked by a given stimulus
b.  (as modifier) a reflex action See also reflex arc
2. (Psychology)
a.  a mechanical response to a particular situation, involving no conscious decision
b.  (as modifier) a reflex response
3. (Physics / General Physics) a reflection; an image produced by or as if by reflection
4. (Linguistics) a speech element derived from a corresponding form in an earlier state of the language ``sorrow'' is a reflex of Middle English ``sorwe.''
adj [ˈriːflɛks]
1. (Mathematics) Maths (of an angle) between 180° and 360°
2. (prenominal) turned, reflected, or bent backwards
vb [rɪˈflɛks]
(tr) to bend, turn, or reflect backwards
[from Latin reflexus bent back, from reflectere to reflect]
reflexible  adj
reflexibility  n

reflex  (rflks)
1. An involuntary physiological response to a stimulus, as the withdrawal of a body part from burning heat.
2. An unlearned or instinctive response to a stimulus. Also called unconditioned response. See more at classical conditioning.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.reflexreflex - 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, fart, 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?"
Adj.1.reflex - without volition or conscious control; "the automatic shrinking of the pupils of the eye in strong light"; "a reflex knee jerk"; "sneezing is reflexive"
physiology - the branch of the biological sciences dealing with the functioning of organisms
involuntary - controlled by the autonomic nervous system; without conscious control; "involuntary muscles"; "gave an involuntary start"

reflex
noun automatic, spontaneous, instinctive, involuntary, impulsive, knee-jerk, unthinking I turned to look inside the house in a reflex action.
Translations
reflex [ˈriːfleks]
A. ADJreflejo (Math) [angle] → de reflexión
reflex camera (Phot) → cámara f reflex
B. Nreflejo m

reflex [ˈriːflɛks]
adj [action, reaction, response] → réflexe
n
(= physical reaction) → réflexe m
(= habit) → réflexe m

reflex
adj (Physiol, Psych, Phys, fig) → Reflex-; (Math) angleüberstumpf; reflex action (Physiol, Psych) → Reflexhandlung f, → Reflex m; reflex point (Anat) → Reflexzone f
n (Physiol, Psych, fig) → Reflex m; (Phys, = image) → Reflexion f ? condition VT c

reflex [ˈriːflɛks]
1. nriflesso
2. adj (Math) → concavo/a

reflex [ˈriːflɛks]
1. nriflesso
2. adj (Math) → concavo/a

reflex
n / adj reflex [ˈriːfleks]
(an action which is) automatic or not intended The doctor tapped the patient's knee in order to test his reflexes; a reflex action. refleks رَد فِعْل تَلْقائي рефлекс reflex refleks; refleks- der Reflex, Reflex-... αντανακλαστικό(ς) reflejo refleks عکس العمل؛ واکنش؛ باز تاب refleksi réflexe רִפלֶקס सहज क्रिया refleks reflex refleks ósjálfrátt viðbragð riflesso 反射作用(の) 반사적인 refleksas reflekss tindakan refleks, tindakan tanpa sedar reflex refleksbevegelse odruch reflexo reflex рефлекс;рефлекторный reflex refleks refleks reflex[] ปฏิกิริยาตอบกลับโดยอัตโนมัติ refleks 反射(動作)(的) рефлекс; рефлекторний فعل اضطراری sự phản xạ; sự phản ánh

reflex رد انعكاسي reflex refleks Reflex αντανακλαστικό reflejo refleksi réflexe refleks riflesso 反射作用 반사 행동 reflex refleks odbicie reflexo рефлекс reflex การกระทำโดยอัตโนมัติ refleks phản xạ 反射


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