Shadow (redirected from be frightened of shadow)

shadow

[shad′ō]

Etymology: AS, sceadu

(in psychology) an archetype that represents the unacceptable aspects and components of behavior.

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Shadow

Graduate education A medical student or intern who closely follows a clinician, resident, mentor, etc., while doing rounds
Imaging A subtle change on a film suggesting a possible lesion

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shadow 

A darkened area from which rays from a source of light are excluded. The shadow pattern cast by light (e.g. sunlight, ceiling fixtures) is such a common sight that if light shines from the opposite direction (e.g. from the ground upward) the normal shadow pattern will be reversed and so will perception; depressions will appear as mounds or vice versa. Shadows offer a cue to depth perception, as when trying to judge the shape of objects. See penumbra; depth perception.

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shadow

Graduate education A medical student or intern who closely follows a clinician, resident, mentor, etc while doing rounds Imaging A subtle change on a film suggesting a possible lesion. See Gloved finger shadow, Ring shadow, Rocker bottom shadow.