| catatonic | <neurology, psychiatry> A phase of schizophrenia where the patient is unresponsive. The tendency to assume a fixed posture and inability to move or talk are characteristic of this phase. (16 Mar 1998) |
|---|---|
| catatonic dementia | Dementia with catatonic symptoms. (05 Mar 2000) |
| catatonic excitement | An excited catatonic state seen in one of the schizophrenic disorders. See: catatonia. (05 Mar 2000) |
| catatonic pupil | Transient pupillary dilation with absence of pupillary reaction to light and convergence. (05 Mar 2000) |
| catatonic rigidity | Rigidity associated with catatonic psychotic states in which all muscles exhibit flexibilitas cerea. (05 Mar 2000) |
| catatonic schizophrenia | Schizophrenia characterised by marked disturbance, which may involve stupor, negativism, rigidity, excitement, or posturing; sometimes there is rapid alteration between the extremes of excitement and stupor. Associated features include stereotypic behaviour, mannerisms, and waxy flexibility; mutism is particularly common. (05 Mar 2000) |
| catatonic stupor | Stupor associated with catatonia. (05 Mar 2000) |
| schizophrenia, catatonic | A type of schizophrenia characterised by abnormality of motor behaviour which may involve particular forms of stupor, rigidity, excitement or inappropriate posture. (12 Dec 1998) |
| acrocephalosyndactyly type 1 | <paediatrics> An inherited disease (autosomal dominant) or a spontaneously occurring disease characterised by a peaked head and unusual facial appearance, due to the premature closure of the cranial sutures. A skull X-ray can confirm the diagnosis and treatment is surgical. Inheritance: autosomal dominant. (27 Sep 1997) |
| Alzheimer type I astrocyte | Enlarged frequently multinucleated astrocytes, seen in progressive multifocal leukoencephalopathy. (05 Mar 2000) |
| Alzheimer type II astrocyte | Enlarged astrocytes with vesicular nuclei and one or more small basophilic nucleoli, seen in hepatocerebral disease and Wilson's disease. (05 Mar 2000) |
| American Type Culture Collection | <cell culture> A key resource for cultured cells, located in Rockville, USA. (12 Dec 1998) |
| Antoni type A neurilemoma | <tumour> Relatively solid or compact arrangement of neoplastic tissue that consists of Schwann cells arranged in twisting bundles and associated with delicate reticulin fibres; the nuclei of the Schwann cells are frequently grouped in parallel rows (so-called palisades), and the nuclei and fibres sometimes form exaggerated tactile corpuscles, called Verocay bodies. (05 Mar 2000) |
| Antoni type B neurilemoma | <tumour> Relatively soft or loose arrangement of neoplastic tissue that consists of Schwann cells in a haphazard or nondescript type of arrangement among reticulin fibres and tiny cystlike foci; fat-laden macrophages may be observed in some of the larger neoplasms. (05 Mar 2000) |
| arthus-type reaction's | Reaction's in man and other species that result from the same basic immunologic (allergic) mechanism which evokes, in the rabbit, the typical Arthus phenomenon. See: immune complex disease. (05 Mar 2000) |