| smaller posterior rectus muscle of head | <anatomy, muscle> Origin, from posterior tubercle of atlas; insertion, medial third of inferior nuchal line of occipital bone; action, rotates head and draws it backward; nerve supply, dorsal branch of first cervical (suboccipital). See: suboccipital muscles. Synonym: musculus rectus capitis posterior minor, musculus rectus capitis posticus minor, smaller posterior rectus muscle of head. (05 Mar 2000) |
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| smaller psoas muscle | <anatomy> An inconstant muscle, absent in about 40%; origin, bodies of twelfth thoracic and first lumbar vertebrae and disk between them; insertion, iliopubic eminence via iliopectineal arch (iliac fascia); action, assists in flexion of lumbar spine; nerve supply, lumbar plexus. Synonym: musculus psoas minor, smaller psoas muscle. (05 Mar 2000) |
| smallest cardiac veins | Numerous small valveless venous channels that open directly into the chambers of the heart from the capillary bed in the cardiac wall, enabling a form of collateral circulation unique to the heart. Synonym: smallest cardiac veins, thebesian veins. (05 Mar 2000) |
| smallest scalene muscle | <anatomy> An occasional independent muscular fasciculus between the scalenus anterior and medius, and having the same action and innervation. Synonym: musculus scalenus minimus, Albinus' muscle, Sibson's muscle, smallest scalene muscle. (05 Mar 2000) |
| smallest splanchnic nerve | <anatomy, nerve> One of the abdominopelvic splanchnic nerves arising in the thorax and penetrating the diaphragm to supply presynaptic sympathetic fibres for the renal plexus; often combined with the lesser splanchnic nerve, but occasionally existing as an independent nerve. Synonym: nervus splanchnicus imus, smallest splanchnic nerve. (05 Mar 2000) |
| smallpox | <disease, virology> This acute viral disease once claimed a high mortality rate, but was officially announced as globally eradicated in 1979. This was due to who vaccination programs. Headache, vomiting and fever precede, the eruption of a widespread rash that is raised, vesicular and finally pustular. The eruption follows a set pattern of dissemination, commencing on the head and face. When the final stage is passed scars (pockmarks) are left to disfigure the skin. (27 Sep 1997) |
| smallpox vaccine | A live vaccinia virus vaccine of calf lymph or chick embryo origin, used for immunization against smallpox. It is now recommended only for laboratory workers exposed to smallpox virus. Certain countries continue to vaccinate those in the military service. Complications that result from smallpox vaccination include vaccinia, secondary bacterial infections, and encephalomyelitis. (12 Dec 1998) |
| smallpox virus | <virology> Virus responsible for smallpox. Said to have been completely eradicated. Large DNA virus (brick like, 250-390nm x 20-260nm) with complex outer and inner membranes (not derived from plasma membrane of host cell). (18 Nov 1997) |
| smaltite | <chemical> A tin-white or gray mineral of metallic luster. It is an arsenide of cobalt, nickel, and iron. Synonym: speiskobalt. See: Smalt. Source: Websters Dictionary (01 Mar 1998) |
| smaragdite | <chemical> A green foliated kind of amphibole, observed in eclogite and some varietis of gabbro. Origin: Cf. F. Smaragdite; so called from its emerald-green colour. See Smaragd. Source: Websters Dictionary (01 Mar 1998) |
| smart | 1. Causing a smart; pungent; pricking; as, a smart stroke or taste. "How smart lash that speech doth give my conscience." (Shak) 2. Keen; severe; poignant; as, smart pain. 3. Vigorous; sharp; severe. "Smart skirmishes, in which many fell." 4. Accomplishing, or able to accomplish, results quickly; active; sharp; clever. 5. Efficient; vigorous; brilliant. "The stars shine smarter." 6. Marked by acuteness or shrewdness; quick in suggestion or reply; vivacious; witty; as, a smart reply; a smart saying. "Who, for the poor renown of being smart Would leave a sting within a brother's heart?" (Young) "A sentence or two, . . . Which I thought very smart." (Addison) 7. Pretentious; showy; spruce; as, a smart gown. 8. Brisk; fresh; as, a smart breeze. Smart money. Money paid by a person to buy himself off from some unpleasant engagement or some painful situation. Vindictive or exemplary damages; damages beyond a full compensation for the actual injury done. . Smart ticket, a certificate given to wounded seamen, entitling them to smart money. Synonym: Pungent, poignant, sharp, tart, acute, quick, lively, brisk, witty, clever, keen, dashy, showy. Smart, Clever. Smart has been much used in new England to describe a person who is intelligent, vigorous, and active; as, a smart young fellow; a smart workman, etc, conciding very nearly with the English sense of clever. The nearest approach to this in England is in such expressions as, he was smart (pungent or witty) in his reply, etc.; but smart and smartness, when applied to persons, more commonly refer to dress; as, a smart appearance; a smart gown, etc. Origin: OE. Smerte. See Smart. Source: Websters Dictionary (01 Mar 1998) |
| smartweed | <botany> An acrid plant of the genus Polygonum (P. Hydropiper), which produces smarting if applied where the skin is tender. Source: Websters Dictionary (01 Mar 1998) |
| smash | To break up, or to pieces suddenly, as the result of collision or pressure. Source: Websters Dictionary (01 Mar 1998) |
Synonyms : Vaccine, Smallpox
| small cell lung cancer |
A type of lung cancer in which the cells appear small and round when viewed under the microscope. Also called oat cell lung cancer.
출처: www.stjude.org/glossary
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| small nuclear ribonucleoprotein |
(snRNP; pronounced snurp(s)) A compound comprising small nuclear RNA (qv) and nuclear protein, that is heavily involved in the post-transcriptional processing of mRNA, especially the removal of introns. snRNPs are a major component of spliceosomes (qv).
출처: www.fao.org/docrep/003/X3910E/X3910E22.htm
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| small nuclear RNA |
(snRNA) Short RNA transcripts of 100-300 bp that associate with proteins to form small nuclear ribonucleoprotein particles (snRNPs) (qv); most snRNAs are components of the spliceosomes (qv) that excise introns from pre-mRNAs in RNA processing. See RNA.
출처: www.fao.org/docrep/003/X3910E/X3910E22.htm
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| small intestine |
the long tube running from the stomach to the large intestine that is involved in digestion of foods and absorption of nutrients
출처: www.american-depot.com/services/resources_gl_s.asp
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| smallpox |
a highly contagious and often fatal viral infection that has been completely eradicated by immunization
출처: www.american-depot.com/services/resources_gl_s.asp
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| SMA | a character having the form of an upper-case letter but the same height as lower-case letters |
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| SMA | highly malignant carcinoma composed of small round or egg-shaped cells with little cytoplasm |
| SMA | a trifling sum of money |
| SMA | common small civet of southeast Asia |
| SMA | interface consisting of a standard port between a computer and its peripherals that is used in some computers |
| SMA | small red-fruited trailing cranberry of Arctic and cool regions of the northern hemisphere |
| SMA | a farmer on a small farm |
| SMA | a large sum of money |
| SMA | a young person of either sex (between birth and puberty) |
| SMA | someone who is small and insignificant |
| SMA | the hours just after midnight |
| SMA | an indefinite quantity that is below average size or magnitude |