| vital pulp | A pulp composed of viable tissue, either normal or diseased, that responds to electric stimuli and to heat and cold. (05 Mar 2000) |
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| vital red | Trisodium salt of a sulfonated diazo dye (a ditolyl group diazotised to sulfonated aminonaphthalene residues), used as a vital stain. Synonym: brilliant vital red. (05 Mar 2000) |
| vital spirits | In the galenical teachings, a vital essence or principle supposed to be generated from the air or pneuma in the left ventricle of the heart; carried in the blood to the brain, it was converted to animal spirit's which then flowed along the nerves to all parts of the body. (05 Mar 2000) |
| vital stain | <technique> A stain that is taken up by live cells and that can be used to stain, for example: a group of cells in a developing embryo in order to try to determine a fate map. (18 Nov 1997) |
| vital statistics | Used for general articles concerning statistics of births, deaths, marriages, etc. (12 Dec 1998) |
| vital tooth | A tooth with a living pulp. (05 Mar 2000) |
| vital tripod | The brain, the heart, and the lungs, regarded as the three organs essential to life. (05 Mar 2000) |
| vital ultraviolet | Rays necessary or helpful to normal growth; they promote calcium metabolism, are antirachitic in action, and have wavelengths between 3200 and 2900 A |
| noeud vital | A circumscript region in the lower part of the medulla oblongata, near the apex of the calamus scriptorius, interpreted by M. Flourens (1858) as a nerve centre controlling respiration. Synonym: vital knot, vital node. Origin: Fr. (05 Mar 2000) |
| electro-vital | Derived from, or dependent upon, vital processes; said of certain electric currents supposed by some physiologists to circulate in the nerves of animals. Source: Websters Dictionary (01 Mar 1998) |
| forced vital capacity | Vital capacity measured with the subject exhaling as rapidly as possible; data relating volume, expiratory flow, and time form the basis for other pulmonary function tests, e.g., flow-volume curve, forced expiratory volume, forced expiratory time, forced expiratory flow. (05 Mar 2000) |