| FEF50/FIF50 | ratio of expiratory flow to inspiratory flow at 50% of forced vital capacity |
|---|---|
| FIVC | forced inspiratory vital capacity |
| FVC | false vocal cord; forced vital capacity |
| FVIC | forced inspiratory vital capacity |
| TVC | timed vital capacity; total viable cells; total volume capacity; transvaginal cone; triple voiding c... |
| vital centre | Centre essential to life; usually refers to the centres located in the medulla oblongata which are necessary for the maintenance of respiration and circulation. (05 Mar 2000) |
|---|---|
| vital index | The ratio of births to deaths within a population during a given time. (05 Mar 2000) |
| vital knot | 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) |
| vital node | 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) |
| 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) |
| 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 signs | Manifestation of breathing, heartbeat, and sustained blood pressure. (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) |