tug jerk | a sudden abrupt pull |
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 |
jerk jerking jolt saccade | an abrupt spasmodic movement |
jerk | raising a weight from shoulder height to above the head by straightening the arms |
clean and jerk clean | a weightlift in which the barbell is lifted to shoulder height and then jerked overhead |
knee bend squat squatting | exercising by repeatedly assuming a crouching position with the knees bent, strengthens the leg muscles |
defecation reflex rectal reflex | normal response to the presence of feces in the rectum |
reflex reflex response reflex action instinctive reflex innate reflex inborn reflex unconditioned reflex physiological reaction | an automatic instinctive unlearned reaction to a stimulus |
conditional reflex conditioned reflex acquired reflex conditional reaction conditioned reaction conditional response conditioned response | an acquired response that is under the control of (conditional on the occurrence of) a stimulus |
knee jerk knee-jerk reflex patellar reflex | a reflex extension of the leg resulting from a sharp tap on the patellar tendon |
startle reflex Moro reflex | a normal reflex of young infants, a sudden loud noise causes the child to stretch out the arms and flex the legs |
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 |
micturition reflex | relaxation of the urethral sphincter in response to increased pressure in the bladder |
pharyngeal reflex gag reflex | normal reflex consisting of retching, may be produced by touching the soft palate in the back of the mouth |
pilomotor reflex gooseflesh goose bump goosebump goose pimple goose skin horripilation | 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 years, under 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 |
stretch reflex myotactic 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 |
stone curlew thick-knee Burhinus oedicnemus | large-headed large-eyed crepuscular or nocturnal shorebird of the Old World and tropical America having a thickened knee joint |
stifle knee | joint between the femur and tibia in a quadruped, corresponds to the human knee |
breeches knee breeches knee pants knickerbockers knickers | trousers ending above the knee |
knee | the part of a trouser leg that provides the cloth covering for the knee |
knee brace | a brace worn to strengthen the knee |
knee-high knee-hi | a sock or stocking that reaches up to just below the knees |
knee pad | protective garment consisting of a pad worn by football or baseball or hockey players |
knee piece | armor plate that protects the knee |
reflex camera | camera that allows the photographer to view and focus the exact scene being photographed |
reflex arc | the neural path of a reflex |
knee knee joint human knee articulatio genus genu | hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella |
jerky jerked meat jerk | meat (especially beef) cut in strips and dried in the sun |
jerk dork | a dull stupid fatuous person |
soda jerk soda jerker | someone who works at a soda fountain |
tosser jerk-off wanker | terms of abuse for a masturbator |
reflex angle | an angle greater thandegrees (but less than ) |
reflex epilepsy | a form of epilepsy in which attacks are induced by peripheral stimulation |
housemaid's knee | swelling of the bursa in the knee (due to trauma or excessive kneeling) |
water on the knee | hydrarthrosis affecting the knee |
knock-knee genu valgum tibia valga | an inward slant of the thigh |
jerk | (mechanics) the rate of change of acceleration |
twitch jerk | make an uncontrolled, short, jerky motion, his face is twitching |
masturbate wank fuck off she-bop jack off jerk off | get sexual gratification through self-stimulation |
jerk flick | throw or toss with a quick motion, flick a piece of paper across the table, jerk his head |
yank jerk | pull, or move with a sudden movement, He turned the handle and jerked the door open |
buck jerk hitch | jump vertically, with legs stiff and back arched, the yung filly bucked |
jerk twitch | move with abrupt, seemingly uncontrolled motions, The patient's legs were jerkings |
ankle-deep knee-deep | coming only to the ankle or knee |
automatic reflex(a) reflexive | without volition or conscious control, the automatic shrinking of the pupils of the eye in strong light, a reflex knee jerk, sneezing is reflexive |
patellar | near or relating to the patella or kneecap, patellar tendon |