Startle reflex


A reflex seen in normal infants in response to a loud noise. The infant makes a sudden body movement, bringing the legs and arms toward the chest.

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  • Stasis

    A stoppage or slowdown in the flow of blood or other body fluid, such as lymph. For example, a stasis ulcer is an ulcer that develops in an area in which the circulation is sluggish and the venous return (the return of venous blood toward the heart) is poor. A common location for stasis ulcers […]

  • Stasis dermatitis

    A skin irritation on the lower legs generally related to circulatory problems. Stasis refers to a stoppage or slowdown in the flow of blood (or other body fluid such as lymph). A stasis ulcer is an ulcer (a crater) that develops in an area in which the circulation is sluggish and the venous return (the […]

  • Stasis ulcer

    A stasis ulcer is an ulcer (a crater) that develops in an area in which the circulation is sluggish and the venous return (the return of venous blood toward the heart) is poor. A common location for stasis ulcers is on the ankle. Stasis refers to a stoppage or slowdown in the flow of blood […]

  • STAT

    A common medical abbreviation for urgent or rush. From the Latin word statum, meaning ‘immediately.’

  • State cancer registry

    National Program of Cancer Registries (NPCR).


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