Glossary

Category: S

  • Synesthesialgia

    A painful sensation giving rise to one of different character.  

  • Synesthesia

    A sensation in one area from a stimulus applied to another part. A strange condition in which the senses become intermingled. People see numbers in color or experience words as tastes. Almost any two senses can be involved. The most common fusion is of the visual and the auditory senses; for example, people see colors…

  • Synergy patterns

    Primitive movements that dominate reflex and voluntary effort when spasticity is present following a cerebrovascular accident. They interfere with coordinated voluntary movements such as eating, dressing, and walking. Flexion synergy patterns include scapular retraction, shoulder abduction and external rotation, elbow flexion, forearm supination, and wrist and finger flexion in the upper extremity; and hip flexion,…

  • Synergia

    The association and correlation of the activity of synergetic muscle groups.  

  • Synergetic

    Exhibiting cooperative action, said of certain muscles; working together.  

  • Synencephalocele

    An encephalocele with adhesions to adjacent structures.  

  • Synecology

    The study of organisms in relationship to their environment in group form.  

  • Syndrome X

    The presence of four interrelated atherosclerotic risk factors: insulin resistance, hypertension, hyperlipidemia, and obesity. A term that was occasionally employed to refer to metabolic syndrome during its initial identification in the 1960s. The phrase is employed to categorize two kinds of issues related to the cardiovascular system. The first type, also known as cardiac syndrome…

  • Syndrome of inappropriate antidiuretic hormone

    A syndrome of increased ADH activity in spite of reduced plasma osmolarity. Often first suggested by a relative hyponatremia, it is most commonly associated with disorders of the central nervous system, various tumors, anxiety, pain, pneumonia, and drugs. A life-threatening condition characterized by an excessive secretion of ADH (antidiuretic hormone), resulting in the production of…

  • Syndesmopexy

    Joining of two ligaments or fixation of a ligament in a new place, used in correction of a dislocation. Surgical procedure to stabilize a dislocated joint using its own ligaments.