| spherocylinder | A combined spherical and cylindrical lens, one surface being spherical, the other cylindrical. Synonym: spherocylinder. (05 Mar 2000) |
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| spherocylindrical lens | A combined spherical and cylindrical lens, one surface being spherical, the other cylindrical. Synonym: spherocylinder. (05 Mar 2000) |
| spherocyte | A small, spherical red blood cell. Origin: sphero-+ G. Kytos, cell (05 Mar 2000) |
| spherocytes | A small, globular, completely haemoglobinated erythrocyte without the usual central pallor, found characteristically in hereditary spherocytosis (spherocytosis, hereditary) but also observed in acquired haemolytic anaemia (anaemia, haemolytic). (12 Dec 1998) |
| spherocytic anaemia | <haematology> A hereditary disorder that leads to a chronic haemolytic anaemia due to an abnormality in the red blood cell membrane. This disorder is caused by a defective gene. Red cells are resistant to stress and rupture easily. Infants may appear jaundiced and pale. Fatigue, weakness and shortness of breath are other symptoms that may be seen in older patients. The spleen may also be enlarged. Treatment includes splenectomy (removal of the spleen). After this is accomplished the life-span of the red blood cells returns to normal. (27 Sep 1997) |
| spherocytic jaundice | Haemolytic jaundice associated with spherocytosis. (05 Mar 2000) |
| spherocytosis | <haematology> A condition in which erythrocytes lose their biconcave shape and become spherical. It occurs as cells age and is also found in individuals with abnormal cytoskeletal proteins, (hereditary spherocytosis, a disorder that leads to haemolytic anaemia). (18 Nov 1997) |
| spherocytosis, hereditary | A familial congenital haemolytic anaemia characterised by numerous abnormally shaped erythrocytes which are generally spheroidal. The erythrocytes have increased osmotic fragility and are abnormally permeable to sodium ions. (12 Dec 1998) |
| spherograph | An instrument for facilitating the practical use of spherics in navigation and astronomy, being constructed of two cardboards containing various circles, and turning upon each other in such a manner that any possible spherical triangle may be readily found, and the measures of the parts read off by inspection. Origin: Sphere + -graph. Source: Websters Dictionary (01 Mar 1998) |
| spheroid | Spheroidal Shaped like a sphere. Origin: L. Spheroideus (05 Mar 2000) |
| spheroid articulation | A multiaxial synovial joint in which a more or less extensive sphere on the head of one bone fits into a rounded cavity in the other bone, as in the hip joint. Synonym: articulatio spheroidea, articulatio cotylica, cotyloid joint, enarthrodial joint, enarthrosis, socket joint, spheroid articulation, spheroid joint. (05 Mar 2000) |
| spheroid calcification | <radiology> Round/oval subcutaneous calcifications, characteristic of Ehlers-Danlos syndrome (12 Dec 1998) |
| spheroid colony | A colony of protozoa in which the individual cells are held together in a coherent spherical mass by a gelatinoid material. (05 Mar 2000) |
| spheroid joint | A multiaxial synovial joint in which a more or less extensive sphere on the head of one bone fits into a rounded cavity in the other bone, as in the hip joint. Synonym: articulatio spheroidea, articulatio cotylica, cotyloid joint, enarthrodial joint, enarthrosis, socket joint, spheroid articulation, spheroid joint. (05 Mar 2000) |
| spheroidal | Having the form of a spheroid. <physics> Spheroid"ally, Spheroidal state, the state of a liquid, as water, when, on being thrown on a surface of highly heated metal, it rolls about in spheroidal drops or masses, at a temperature several degrees below ebullition, and without actual contact with the heated surface, a phenomenon due to the repulsive force of heat, the intervention of a cushion of nonconducting vapor, and the cooling effect of evaporation. Origin: Cf. F. Spheroidal. Source: Websters Dictionary (01 Mar 1998) |
| spherometer |
a measuring instrument for measuring the curvature of a surface
Ãâó: wordnet.princeton.edu/perl/webwn
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| spherule |
a small sphere
Ãâó: wordnet.princeton.edu/perl/webwn
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| sphere |
a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit" any spherically shaped artifact the geographical area in which one nation is very influential sector: a particular aspect of life or activity; "he was helpless in an important sector of his life" a solid figure bounded by a spherical surface (including the space it encloses) a three-dimensional closed surface such that every point on the surface is equidistant from the center celestial sphere: the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
Ãâó: wordnet.princeton.edu/perl/webwn
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| spherical |
of or relating to spheres or resembling a sphere; "spherical geometry" ball-shaped: having the shape of a sphere or ball; "a spherical object"; "nearly orbicular in shape"; "little globular houses like mud-wasp nests"- Zane Grey
Ãâó: wordnet.princeton.edu/perl/webwn
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| spherocytosis |
Spherocytosis is an auto-hemolytic anemia (a disease of the blood) characterized by the production of red blood cells that are sphere-shaped, rather than donut-shaped. It is caused by a molecular defect in one of the proteins of the red blood cell cytoskeleton (usually ankyrin, sometimes spectrin). ...
Ãâó: en.wikipedia.org/wiki/Spherocytosis
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| spher | an angle formed at the intersection of the arcs of two great circles |
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| spher | the geometry of figures on the surface of a sphere |
| spher | a figure on the surface of of sphere bounded by arcs of 3 or more great circles |
| spher | a spherical polygon formed by the arcs of 3 great circles |
| spher | the trigonometry of spherical triangles |
| spher | in a spherical manner |
| spher | the roundness of a 3-dimensional object |
| spher | the roundness of a 3-dimensional object |
| spher | an abnormal spherical red blood cell |
| spher | a shape that is generated by rotating an ellipse around one of its axes |
| spher | a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone |
| spher | in the form of an ellipse |
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