| amnesia, retrograde | Amnesia for events that occurred before the onset of amnesia. (12 Dec 1998) |
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| retrograde amnesia | Amnesia in reference to events that occurred before the trauma or disease that caused the condition. (05 Mar 2000) |
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| amnesia | <neurology> Lack or loss of memory, inability to remember past experiences. Origin: Gr. Amnesia = forgetfulness (05 Feb 1998) |
| anterograde amnesia | Amnesia in reference to events occurring after the trauma or disease that caused the condition. (05 Mar 2000) |
| posthypnotic amnesia | Selective forgetting, after a hypnotic state, of events occurring during hypnosis or of information stored in long-term memory, such as one's name, address, and names of relatives. (05 Mar 2000) |
| emotional amnesia | A numbness of feeling and emotion whose aetiology is psychological. (05 Mar 2000) |
| transient global amnesia | A memory disorder seen in middle aged and elderly persons characterised by an episode of amnesia and bewilderment which persists for several hours; during the episode the patient has a memory defect for present and recent past events, but is fully alert, oriented, capable of high-level intellectual activity, and has a normal neurological examination. Typically, these amnesic episodes occur spontaneously, and most patients experience only one; of uncertain aetiology-probably ischemic, but not due to atherosclerosis. (05 Mar 2000) |
| traumatic amnesia | The loss or disturbance of memory following an insult or injury to the brain of the type that accompanies a head injury, or excessive use of alcohol, or following the cessation of alcohol ingestion or other psychoactive drugs; or loss or disturbance of memory of the type seen in hysteria and other forms of dissociative disorders. (05 Mar 2000) |
| lacunar amnesia | Amnesia in reference to isolated events. (05 Mar 2000) |
| retrograde | 1. Moving backward or against the usual direction of flow. 2. Degenerating, deteriorating or catabolic. Origin: L. Gradi = to step (18 Nov 1997) |
| retrograde aortography | Aortography by the injection of contrast medium into the aorta through one of its branches, e.g., the brachial artery, in a direction against normal arterial blood flow. (05 Mar 2000) |
| retrograde axonal transport | <cell biology> The transport of vesicles from the synaptic region of an axon towards the cell body: involves the interaction of MAP1C with microtubules. (11 Jan 1998) |
| retrograde beat | A beat occurring as an electrical activation of a portion of a heart chamber cephalad to the chamber of origin, e.g., an atrial beat triggered by an impulse originating in the ventricle. (05 Mar 2000) |
| retrograde block | Impaired conduction backward from the ventricles or A-V node into the atria. (05 Mar 2000) |
| retrograde cardioplegia | Cardioplegia effected by delivery of solutions via the coronary veins. (05 Mar 2000) |
| retrograde chromatolysis | Synonym: central chromatolysis. (05 Mar 2000) |