| AGN | acute glomerulonephritis; agnosia |
|---|---|
| agn | agnosia |
| TA | alkaline tuberculin; arterial tension; axillary temperature; tactile afferent; Takayasu arteritis; t... |
| TF | free thyroxine; tactile fremitus; tail flick [reflex]; temperature factor; testicular feminization; ... |
| TT | tablet triturate; tactile tension; tendon transfer; test tube; testicular torsion; tetanus toxin; te... |
| tactile agnosia | The inability to recognise objects by touch, in the presence of intact cutaneous and proprioceptive hand sensation; caused by lesion in the contralateral parietal lobe. Synonym: astereognosis, stereoagnosis, stereoanesthesia. (05 Mar 2000) |
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| agnosia | <neurology> Loss of ability to recognise objects, people, sounds, shapes or smells. Usually classified according to the sense or senses affected (hearing, sight, smell, taste, touch). Symptom common to tumours of the parietal lobe of the cerebral hemispheres. (16 Dec 1997) |
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| auditory agnosia | The inability to recognise sounds, words, or music; caused by a lesion of the auditory cortex of the temporal lobe. (05 Mar 2000) |
| visual agnosia | The inability to recognise objects by sight; usually caused by bilateral parieto-occipital lesions. Synonym: optic agnosia. (05 Mar 2000) |
| visual-spatial agnosia | The inability to localise objects or to appreciate distance, motion, and spatial relationships; caused by lesion in the occipital lobe. Compare: simultanagnosia. (05 Mar 2000) |
| colour agnosia | The inability to name or identify specific colours by sight; caused by lesions of the dominant occipital and temporal lobes. (05 Mar 2000) |
| position agnosia | The failure to recognise the posture of an extremity. (05 Mar 2000) |
| optic agnosia | The inability to recognise objects by sight; usually caused by bilateral parieto-occipital lesions. Synonym: optic agnosia. (05 Mar 2000) |
| finger agnosia | The inability to name or recognise individual fingers, of one's own or of other persons; most often caused by lesion of or near the angular gyrus of the dominant hemisphere. (05 Mar 2000) |
| localization agnosia | The inability to recognise the area where the skin is touched. (05 Mar 2000) |
| Merkel's tactile cell | A specialised tactile sensory nerve ending in the epidermis, characterised by a terminal cuplike expansion of an intraepidermal axon in contact with the base of a single modified keratinocyte. Synonym: meniscus tactus, Merkel's corpuscle, Merkel's tactile cell, Merkel's tactile disk, tactile disk. (05 Mar 2000) |
| Merkel's tactile disk | A specialised tactile sensory nerve ending in the epidermis, characterised by a terminal cuplike expansion of an intraepidermal axon in contact with the base of a single modified keratinocyte. Synonym: meniscus tactus, Merkel's corpuscle, Merkel's tactile cell, Merkel's tactile disk, tactile disk. (05 Mar 2000) |
| tactile | Of or pertaining to the organs, or the sense, of touch; perceiving, or perceptible, by the touch; capable of being touched; as, tactile corpuscles; tactile sensations. "Tactile sweets." . "Tactile qualities." . <physiology> Tactile sense, the sense of touch, or pressure sense. See Touch. "The delicacy of the tactile sense varies on different parts of the skin; it is geatest on the forehead, temples and back of the forearm." (H. N. Martin) Origin: L. Tactilis, fr. Tangere, tactum, to touch: cf. F. Tactile. Source: Websters Dictionary (01 Mar 1998) |
| tactile anaesthesia | Loss or impairment of the sense of touch. (05 Mar 2000) |
| tactile cell | One of the epithelioid cell's of a corpusculum tactus. Synonym: touch cell. (05 Mar 2000) |
| tactile corpuscle | One of numerous oval bodies found in the papillae of the skin, especially those of the fingers and toes; they consist of a connective tissue capsule in which the axon fibrils terminate around and between a pile of wedge-shaped epithelioid cells. Synonym: corpusculum tactus, Meissner's corpuscle, oval corpuscle, touch corpuscle. (05 Mar 2000) |
| tactile agnosia |
astereognosis: a loss of the ability to recognize objects by handling them
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