| tactile elevations | Small areas in the skin of the palms and soles especially rich in sensory nerve endings. Synonym: toruli tactiles. (05 Mar 2000) |
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| boiling point elevation | This is the phenomenon of increasing the temperature at which a liquid boils by dissolving another substance in the liquid (for example: you can raise the temperature at which water boils by adding salt to it). (09 Oct 1997) |
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| elevation | 1. The act of raising from a lower place, condition, or quality to a higher; said of material things, persons, the mind, the voice, etc.; as, the elevation of grain; elevation to a throne; elevation of mind, thoughts, or character. 2. Condition of being elevated; height; exaltation. "Degrees of elevation above us." "His style . . . Wanted a little elevation." (Sir H. Wotton) 3. That which is raised up or elevated; an elevated place or station; as, an elevation of the ground; a hill. 4. <astronomy> The distance of a celestial object above the horizon, or the arc of a vertical circle intercepted between it and the horizon; altitude; as, the elevation of the pole, or of a star. 5. The angle which the style makes with the substylar line. 6. The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line o sight; distinguished from direction. 7. A geometrical projection of a building, or other object, on a plane perpendicular to the horizon; orthographic projection on a vertical plane; called by the ancients the orthography. Angle of elevation, that part of the Mass in which the priest raises the host above his head for the people to adore. Origin: L. Elevatio: cf. F. Elevation. Source: Websters Dictionary (01 Mar 1998) |
| fish elevation | The elevation of a fish above the stream bed measured at the tip of the fish's snout. See: focal point. (09 Oct 1997) |
| 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 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) |
| 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 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 fremitus | Vibration felt with the hand on the chest during vocal fremitus. (05 Mar 2000) |
| tactile hair | The vibrissae or whiskers of animals such as rats and cats which have especially well developed touch endings in the follicular wall. (05 Mar 2000) |
| tactile hallucination | False perception of movement or sensation, as from an amputated limb, or crawling sensation on the skin. (05 Mar 2000) |
| tactile hyperesthesia | Extreme sensitiveness to touch. Synonym: oxyaphia, tactile hyperesthesia. Origin: hyper-+ G. Haphe, touch (05 Mar 2000) |