concussion

Definition of concussion in English English dictionary: an injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function; a violent collision or shock; a violent shock to some organ by a fall or a sudden blow; {n} a shaking, shock of an earthquake; Contusion to the brain; any violent blow; The unlawful forcing of another by threats of violence to yield up something of value; A condition of lowered functional activity, without visible structural change, produced in an organ by a shock, as by fall or blow; as, a concussion of the brain; any violent blow injury to the brain caused by a blow; usually resulting in loss of consciousness; Jarring injury of the brain resulting in dysfuntion It can be graded as mild, moderate or severe depending on loss of consciousness, amnesia and loss of equilibrium; A shaking or agitation; a shock; caused by the collision of two bodies; If you suffer concussion after a blow to your head, you lose consciousness or feel sick or confused. Nicky was rushed to hospital with concussion She fell off a horse and suffered a concussion. Period of nervous-function impairment that results from relatively mild brain injury, often with no bleeding in the cerebral cortex. It causes brief unconsciousness, followed by mental confusion and physical difficulties. These effects usually clear up within hours, but in some cases disturbance of consciousness continues, and there may be residual symptoms. Some level of amnesia often accompanies concussion. Recovery from concussion is almost always complete unless more serious injury, such as skull fracture, accompanies it; The common result of a blow to the head or sudden deceleration usually causing an altered mental state, either temporary or prolonged Physiologic and/or anatomic disruption of connections between some nerve cells in the brain may occur Often used by the public to refer to a brief loss of consciousness; A disruption, usually temporary, of neurological function resulting from a blow or violent shaking; Jarring injury of the brain resulting in dysfunction It can be graded as mild, moderate or severe depending on loss of consciousness, amnesia and loss of equilibrium; A disruption that results from the stunning,damaging, or shattering effects of a hard blow; {i} head injury (caused by a fall, blow, etc.); shock; injury to the brain caused by a blow; usually resulting in loss of consciousness
a concussion: {n} shog
concussive: {a} able or tending to shake
brain concussion: shock to the brain, jolt to the brain
cerebral concussion: brain concussion, injury to the brain caused by a heavy blow
concussions: plural of concussion
concussive: Of, pertaining to, or causing concussion
concussive: {s} pertaining to concussion (head injury caused by a fall, blow, etc.)
concussive: Having the power or quality of shaking or agitating