| extraperitoneal fascia | The thin layer of fascia and adipose tissue between the peritoneum and fascia transversalis. Synonym: fascia subperitonealis, subperitoneal fascia. (05 Mar 2000) |
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| extraphysical | Not subject to physical laws or methods. Source: Websters Dictionary (01 Mar 1998) |
| extraphysiologic | Outside of the domain of physiology; more than physiologic, therefore pathologic. (05 Mar 2000) |
| extrapineal pinealoma | <tumour> Obsolete term for ectopic pinealoma. (05 Mar 2000) |
| extraplacental | Unrelated to the placenta. (05 Mar 2000) |
| extrapleural pneumothorax | The presence of a gas between the endothoracic fascia-pleural layer and the adjacent chest wall. (05 Mar 2000) |
| extraprostatic | Outside of, or independent of, the prostate. (05 Mar 2000) |
| extrapsychic | Denoting the psychological dynamics that occur in the mind in association with the individual's exchanges with other persons or events. Compare: intrapsychic. (05 Mar 2000) |
| extrapulmonary | Outside of, or having no relation to, the lungs. (05 Mar 2000) |
| extrapyramidal | Outside of the pyramidal tracts. (18 Nov 1997) |
| extrapyramidal cerebral palsy | <neurology> A derangement marked by ceaseless occurrence of slow, sinuous, writhing movements, especially severe in the hands and performed involuntarily, it may occur after hemiplegia and is then known as posthemiplegic chorea. Synonym: mobile spasm. Origin: Gr. Athetos = not fixed (13 Nov 1997) |
| extrapyramidal disease | A general term for a number of disorders caused by abnormalities of the basal ganglia or certain brain stem or thalamic nuclei; characterised by motor deficits, loss of postural reflexes, bradykinesia, tremor, rigidity, and various involuntary movements. Synonym: extrapyramidal motor system disease. (05 Mar 2000) |
| extrapyramidal dyskinesias | Abnormal involuntary movements attributed to pathological states of one or more parts of the striate body and characterised by insuppressible, stereotyped, automatic movements that cease only during sleep; e.g., Parkinson's disease; chorea; athetosis; hemiballism. (05 Mar 2000) |
| extrapyramidal effect | A combination of neurologic effects which includes tremors, chorea, athetosis and dystonia. A common side effect of neuroleptic agents (phenothiazines). Other medications known to cause these reactions include haloperidol, molindone, perphenazine & amitriptyline, loxapine, pimozide and rarely, benzodiazepines. (27 Sep 1997) |
| extrapyramidal motor system | Literally: all of the brain structures affecting bodily (somatic) movement, excluding the motor neurons, the motor cortex, and the pyramidal (corticobulbar and corticospinal) tract. Despite its very wide literal connotation, the term is commonly used to denote in particular the striate body (basal ganglia), its associated structures (substantia nigra; subthalamic nucleus), and its descending connections with the midbrain. (05 Mar 2000) |