| synencephalocele | Protrusion of brain substance through a defect in the skull, with adhesions preventing reduction. Origin: syn-+ G. Enkephalos, brain, + kele, hernia (05 Mar 2000) |
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| synentognathi | <zoology> An order of fishes, resembling the Physoclisti, without spines in the dorsal, anal, and ventral fins. It includes the true flying fishes. Origin: NL, fr. Gr. With + within + jaw. Source: Websters Dictionary (01 Mar 1998) |
| synephrinase | <enzyme> From arthrobacter synephrinum grown on synephrine as sole source of c and n; converts (-)-synephrine into 4-hydroxyphenylacetaldehyde and methylamine; requires -sh, stimulated by mg, ca and mn; does not use o2 Registry number: EC 1.5.99.- (26 Jun 1999) |
| synephrine | <chemical> Sympathetic alpha-adrenergic agonist with actions like phenylephrine. It is used as a vasoconstrictor in circulatory failure, asthma, nasal congestion, and glaucoma. Pharmacological action: adrenergic alpha-agonists, nasal decongestants, sympathomimetic, vasoconstrictor agents. Chemical name: Benzenemethanol, 4-hydroxy-alpha-((methylamino)methyl)- (12 Dec 1998) |
| syneresis | 1. The contraction of a gel, e.g., a blood clot, by which part of the dispersion medium is squeezed out. 2. Degeneration of the vitreous humor with loss of gel consistency to become partially or completely fluid. Origin: G. Synairesis, a taking or drawing together (05 Mar 2000) |
| synergetic | Working together; cooperating; as, synergetic muscles. Origin: Gr, fr. To work together; with + work. Source: Websters Dictionary (01 Mar 1998) |
| synergia | The doctrine or theory, attributed to Melanchthon, that in the regeneration of a human soul there is a cooperation, or joint agency, on the part both of God and of man. See: Synergetic. Source: Websters Dictionary (01 Mar 1998) |
| synergic | <pharmacology, physiology> Acting together, enhancing the effect of another force or agent. (19 Jan 1998) |
| synergic control | Impulses transmitted from the cerebellum regulating the muscular activity of the synergic units of the body. (05 Mar 2000) |
| synergism | The doctrine or theory, attributed to Melanchthon, that in the regeneration of a human soul there is a cooperation, or joint agency, on the part both of God and of man. See: Synergetic. Source: Websters Dictionary (01 Mar 1998) |
| synergist | 1. One who holds the doctrine of synergism. 2. <medicine> A remedy which has an action similar to that of another remedy, and hence increases the efficiency of that remedy when combined with it. 3. (Biochemistry) A chemical compound which exhibits a synergistic effect on some biochemical or physiological action, in combination with another compound. [A supertype of def. 2. Origin: Cf. F. Synergiste. Source: Websters Dictionary (01 Mar 1998) |
| synergistic | <pharmacology, physiology> Acting together, enhancing the effect of another force or agent. (19 Jan 1998) |
| synergistic effect | The doctrine or theory, attributed to Melanchthon, that in the regeneration of a human soul there is a cooperation, or joint agency, on the part both of God and of man. See: Synergetic. Source: Websters Dictionary (01 Mar 1998) |
| synergistic muscles | Muscle's having a similar and mutually helpful function or action. (05 Mar 2000) |
| synergy | <pharmacology, physiology> The interaction of two or more treatments such that their combined effect is greater than the sum of the individual effects observed when each treatment is administered alone. (19 Jan 1998) |
| synapse |
The site of communication between neurons. The synapse may transmit an action potential by the release of a neurotransmitter that binds a ligand-gated channel on the post-synaptic cell, or may make a direct connection between cells via gap junctions.
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| synchrotron |
A particle accelerator that produces high-density x-rays used for gathering crystallographic data for structural determinations. Tunable synchrotron radiation permits wavelength variation, enabling the use of multiple wavelength anomalous dispersion techn
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| syncytium |
Multi-nucleate cells formed by the fusion of neighboring cells. Syncytia may form due to the expression of a viral fusion protein during viral replication.
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| synergist |
An agent that increases the effectiveness of a ligand or other agent.
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| syngeneic |
An antigenically identical organism.
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| SYN | (logic) of a proposition |
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| SYN | (linguistics) systematic combining of root and modifying elements into single words |
| SYN | involving or of the nature of synthesis (combining separate elements to form a coherent whole) as opposed to analysis |
| SYN | not genuine or natural |
| SYN | artificial as if portrayed in a film |
| SYN | (chemistry) not of natural origin |
| SYN | the late phase of cubism |
| SYN | created from natural materials or by chemical processes |
| SYN | synthetic narcotic drug similar to morphine but less habit-forming |
| SYN | a resin having a polymeric structure |
| SYN | any of various synthetic materials that resemble rubber |
| SYN | the combination of ideas into a complex whole |