| vertex cordis | The blunt extremity of the heart formed by the left ventricle. See: apex beat. Synonym: apex cordis, vertex cordis. (05 Mar 2000) |
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| vertex corneae | The central part of the cornea, slightly thinner than the peripheral part. Synonym: vertex corneae. (05 Mar 2000) |
| vertex of cornea | The central part of the cornea, slightly thinner than the peripheral part. Synonym: vertex corneae. (05 Mar 2000) |
| vertex presentation | See: cephalic presentation. (05 Mar 2000) |
| vertical | 1. Of or pertaining to the vertex; situated at the vertex, or highest point; directly overhead, or in the zenith; perpendicularly above one. "Charity . . . Is the vertical top of all religion." (Jer. Taylor) 2. Perpendicular to the plane of the horizon; upright; plumb; as, a vertical line. <astronomy> Vertical angle, an angle measured on a vertical circle, called an angle of elevation, or altitude, when reckoned from the horizon upward, and of depression when downward below the horizon. <botany> Vertical anthers The plane passing through the point of sight, and perpendicular to the ground plane, and also to the picture. Vertical sash, a sash sliding up and down. Cf. French sash, under 3d Sash. Vertical steam engine, a steam engine having the crank shaft vertically above or below a vertical cylinder. Origin: Cf. F. Vertical. See Vertex. 1. Vertical position; zenith. 2. <mathematics> A vertical line, plane, or circle. Prime vertical, Prime vertical dial. See Prime. Source: Websters Dictionary (01 Mar 1998) |
| vertical axis | In dentistry, the line around which the working side condyle rotates in the horizontal plane during mandibular movement. (05 Mar 2000) |
| vertical classification | <zoology> Classification which stresses common descent and tends to unite ancestral and descendant groups of a phyletic line in a single higher taxon, separating them from contemporaneous taxa having reached a similar grade of evolutionary change. Compare: Horizontal classification. (09 Jan 1998) |
| vertical dimension | The length of the face determined by the distance of separation of jaws. Occlusal vertical dimension (ovd or vdo) or contact vertical dimension is the lower face height with the teeth in centric occlusion. Rest vertical dimension (vdr) is the lower face height measured from a chin point to a point just below the nose, with the mandible in rest position. (12 Dec 1998) |
| vertical displacement event | Disruption which occurs because plasma is not adequately stabilised against vertical motions. (09 Oct 1997) |
| vertical elastic | Elastic material used in a direction perpendicular to the occlusal plane, connecting one arch wire to the other, and usually used to improve intercuspation. (05 Mar 2000) |
| vertical growth phase | Spread of melanoma cells from the epidermis into the dermis and later the subcutis, from which site metastasis may take place. (05 Mar 2000) |
| vertical heart | Loosely descriptive of the heart's electrical axis when this is directed at approximately +90 |
| vertical hymen | A hymen in which the opening is perpendicular. (05 Mar 2000) |
| vertical illumination | <microscopy> Bright field illumination by light from the objective which is reflected or scattered from the (usually opaque) object. Illumination is by means of a vertical illuminator placed above the objective. Light is brought into a side tube and directed toward the back aperture of the objective by a tiny mirror or prism, or else by a full-aperture transparent-reflector (thin glass plate) 45[macron] to the axis of the bodytube. (05 Aug 1998) |
| vertical index | The relation of the height to the length of the skull: (height × 100)/length. Synonym: height-length index, length-height index, transversovertical index. (05 Mar 2000) |
| vernix |
a white, greasy, cheese-like substance that covers the skin of many babies at birth. vitamin K - an essential component of blood clotting produced by intestinal bacteria. Babies normally have low levels of this vitamin.
Ãâó: www.chw.org/display/PPF/DocID/3336/router.asp
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| vertebra |
The bony segment of the spinal column. 33 vertebrae make up the vertebral column or backbone.
Ãâó: www.azspinabifida.org/gloss.html
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| verticillate |
Branches or conidia radiating from a common point on a conidiogenous cell or a hypha.
Ãâó: www.ec.upstate.edu/medtech/microb/glossary.htm
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| vertigo |
dizziness.
Ãâó: www.health.uab.edu/show.asp
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| vermiform |
Like a worm.
Ãâó: www.worldwideschool.org/library/books/sci/lifescie...
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| VER | a line of metrical text |
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| VER | literature in metrical form |
| VER | a composition written in metrical feet forming rhythmical lines |
| VER | a line of metrical text |
| VER | an injectable form of benzodiazepine (trade name Versed) useful for sedation and for reducing pain during uncomfortable medical procedures |
| VER | thoroughly acquainted with and skilled in something through study or experience |
| VER | a short verse said or sung by a priest or minister in public worship and followed by a response from the congregation |
| VER | the art or practice of writing verse |
| VER | the form or metrical composition of a poem |
| VER | a metrical adaptation of something (e.g., of a prose text) |
| VER | a writer who composes rhymes |
| VER | compose verses or put into verse |
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