| sphenosquamosal | Relating to the sphenoid bone and the squamous part of the temporal bone. Synonym: sphenosquamosal. (05 Mar 2000) |
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| sphenosquamous suture | Articulation of the greater wing of the sphenoid with the squamous portion of the temporal bone. Synonym: sutura sphenosquamosa. (05 Mar 2000) |
| sphenotemporal | Relating to the sphenoid and the temporal bones. (05 Mar 2000) |
| sphenotic | <anatomy> Of, pertaining to, or designating, the sphenotic bone. <anatomy> Sphenotic bone, a bone on the anterior side of the auditory capsule of many fishes, and connected with, or adjoining, the sphenoid bone. Origin: Spheno- +, the ear. <anatomy> The sphenotic bone. Source: Websters Dictionary (01 Mar 1998) |
| sphenotic centre | One of the paired centre's of ossification of the sphenoid bone. (05 Mar 2000) |
| sphenotic foramen | <anatomy> An irregular aperture, filled with cartilage (basilar cartilage) in the living, located between the apex of the petrous part of the temporal bone, the body of the sphenoid, and the basilar part of the occipital bones. Several structures pass along the margins of the foramen in a nearly horizontal direction but no structures pass through vertically. Synonym: foramen lacerum medium, lacerated foramen, sphenotic foramen. (05 Mar 2000) |
| sphenoturbinal | Denoting the concha sphenoidalis. (05 Mar 2000) |
| sphenovomerine | Relating to the sphenoid bone and the vomer. (05 Mar 2000) |
| sphenovomerine suture | The line of union of the vaginal process of the sphenoid with the wing of the vomer. Synonym: sutura sphenovomeriana. (05 Mar 2000) |
| sphenozygomatic | Relating to the sphenoid and the zygomatic bones. Synonym: sphenomalar. (05 Mar 2000) |
| sphenozygomatic suture | Junction of the zygomatic bone and greater wing of the sphenoid. Synonym: sutura sphenozygomatica. (05 Mar 2000) |
| spherator | <radiobiology> Single-ring multipole device with an additional current-carrying rod perpendicular to the ring axis. (09 Oct 1997) |
| sphere | 1. <geometry> A body or space contained under a single surface, which in every part is equally distant from a point within called its center. 2. Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth. "Of celestial bodies, first the sun, A mighty sphere, he framed." (Milton) 3. <astronomy> The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc, are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it. In ancient astronomy, one of the concentric and eccentric revolving spherical transparent shells in which the stars, sun, planets, and moon were supposed to be set, and by which they were carried, in such a manner as to produce their apparent motions. 4. <logic> The extension of a general conception, or the totality of the individuals or species to which it may be applied. 5. Circuit or range of action, knowledge, or influence; compass; province; employment; place of existence. "To be called into a huge sphere, and not to be seen to move in 't." (Shak) "Taking her out of the ordinary relations with humanity, and inclosing her in a sphere by herself." (Hawthorne) "Each in his hidden sphere of joy or woe Our hermit spirits dwell." (Keble) 6. Rank; order of society; social positions. 7. An orbit, as of a star; a socket. Armillary sphere, Crystalline sphere, Oblique sphere,. See Armillary, Crystalline,. Doctrine of the sphere, applications of the principles of spherical trigonometry to the properties and relations of the circles of the sphere, and the problems connected with them, in astronomy and geography, as to the latitudes and longitudes, distance and bearing, of places on the earth, and the right ascension and declination, altitude and azimuth, rising and setting, etc, of the heavenly bodies; spherical geometry. Music of the spheres. See Music. Synonym: Globe, orb, circle. See Globe. Origin: OE. Spere, OF. Espere, F. Sphere, L. Sphaera,. Gr. A sphere, a ball. Source: Websters Dictionary (01 Mar 1998) |
| spheresthesia | Rarely used term for globus hystericus. Origin: G. Sphaira, sphere, + aisthesis, sensation (05 Mar 2000) |
| spheric | 1. Having the form of a sphere; like a sphere; globular; orbicular; as, a spherical body. 2. Of or pertaining to a sphere. 3. Of or pertaining to the heavenly orbs, or to the sphere or spheres in which, according to ancient astronomy and astrology, they were set. "Knaves, thieves, and treachers by spherical predominance." (Shak) "Though the stars were suns, and overburned Their spheric limitations." (Mrs. Browning) Spherical angle, Spherical coordinate, Spherical excess, etc. See Angle, Coordinate, etc. Spherical geometry, that branch of geometry which treats of spherical magnitudes; the doctrine of the sphere, especially of the circles described on its surface. Spherical harmonic analysis. See Harmonic, Spherical lune,portion of the surface of a sphere included between two great semicircles having a common diameter. Spherical opening, the magnitude of a solid angle. It is measured by the portion within the solid angle of the surface of any sphere whose center is the angular point. Spherical polygon,portion of the surface of a sphere bounded by the arcs of three or more great circles. Spherical projection, the projection of the circles of the sphere upon a plane. See Projection. Spherical sector. See Sector. Spherical segment, the segment of a sphere. See Segment. Spherical triangle,re on the surface of a sphere, bounded by the arcs of three great circles which intersect each other. Spherical trigonometry. See Trigonometry. Spher"ically, Spher"icalness. Origin: L. Sphaericus, Gr., cf. F. Spherique. Source: Websters Dictionary (01 Mar 1998) |
| sphincter |
A ring-shaped muscle that allows an opening to close tightly, such as the sphincter muscle in the lower end of a cow's teat.
출처: www.epa.gov/agriculture/ag101/dairyglossary.html
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| sphincter |
(SFINGK-tur). A circular band of muscle that opens and closes to allow food or waste to pass.
출처: www.cnn.com/HEALTH/library/DG/00022.html
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| spherical |
in the shape of a sphere or globe; ball-shaped; rounded
출처: gmbis.marinebiodiversity.ca/BayOfFundy/glossMA.htm...
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| sphincter |
A valve found in, or at the end of, some tubes of the body. They contain a ring of muscle that can open or close the valve, and therefore control the flow of materials along the tube.
출처: www.spinalnet.co.uk/EEndCom/GBCON/homepage.nsf/0/C...
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| sphincterectomy |
Procedure of surgically cutting a sphincter (valve) in the body to stop it working. For example, cutting the sphincter in the male urethra to help the flow of urine from the body in people with certain types of bladder problems.
출처: www.spinalnet.co.uk/EEndCom/GBCON/homepage.nsf/0/C...
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| SPH | a ring of muscle that contracts to close an opening |
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| SPH | any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed |
| SPH | hawkmoths |
| SPH | sphinx-like |
| SPH | one of a number of large stone statues with the body of a lion and the head of a man that were built by the ancient Egyptians |
| SPH | an inscrutable person who keeps his thoughts and intentions secret |
| SPH | (Greek mythology) a riddling winged monster with a woman's head and breast on a lion's body |
| SPH | any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed |
| SPH | a pressure gauge for measuring blood pressure |
| SPH | type and sole genus of the Sphyraenidae: barracuda |
| SPH | large (up to 6 ft) grayish-brown barracuda highly regarded as a food and sport fish |
| SPH | monotypic family of large active fishes of tropical and subtropical waters: barracuda |