Category: S

  • Salt

    Salt

    Usually refers to sodium chloride, common salt or table salt (chemically any product of reaction between an acid and an alkali is a salt). The main sources are either from mines in areas where there are rich deposits of crystalline salt, or deposits left by the evaporation of sea water in shallow pans (known as…

  • Salatrims

    Poorly absorbed fats, used as fat replacers; triacylglycerols containing short- and long-chain fatty acids.  

  • Systematic desensitization

    A behavior therapy procedure widely used to modify behaviors associated with phobias. The procedure involves the construction of a hierarchy of anxiety-producing stimuli by the subject and gradual presentation of the stimuli until they no longer produce anxiety. Also called desensitization. A technique in which a patient imagines multiple scenarios of progressively greater anxiety while…

  • Synucleinopathies

    A class of neurodegenerative diseases characterized by fibrillary aggregates of alpha-synuclein protein in the cytoplasm of selective populations of neurons and glia. Examples of synucleinopathies include parkinson’s disease, dementia with lewy bodies, and multiple system atrophy. Compare with tauopathies.  

  • Syntaxic mode

    The mode of perception that forms whole, logical, coherent pictures of reality that can be validated by others.  

  • Synaptic transmission

    Also called neurotransmission; an electrical movement within synapses caused by a propagation of nerve impulses. The release of a neurotransmitter by a neuron that initiates or inhibits an electrical impulse in the next neuron in the pathway.  

  • Sympathy

    A feeling or capacity for sharing in the interests or concerns of another. May arise when there is no emotional attachment to the person toward whom one is sympathetic because the feelings of the sympathetic person remain essentially internal. Contrast with empathy. The feeling or expression of pity or sorrow for the pain or distress…

  • Sympathomimetic

    Refers to a substance that produces a physiological effect similar to that produced by stimulation of the sympathetic nervous system. A substance that produces a reduction or relief of nasal congestion. Referring to a drug such as dopamine hydrochloride which stimulates the activity of the sympathetic nervous system and is used in cardiac shock following…

  • Symmetrel

    Brand name (now discontinued) for the antiparkinsonian medication amantadine.  

  • Symbyax

    Brand name for olanzapine–fluoxetine combination.