shadow


shadow
1. A surface area defined by the interception of light or x-rays by a body. SEE ALSO: density (3). 2. In jungian psychology, the archetype consisting of collective animal instincts. 3. SYN: achromocyte.
- acoustic s. sonographic appearance of reduced echo amplitude from regions lying beyond an attenuating object. Cf.:acoustic enhancement.
- Gumprecht shadows SYN: smudge cells, under cell.
- hilar s. radiographic hilum of the lung; a composite radiographic s. of the central pulmonary arteries and veins, with associated bronchial walls and lymph node s, within the right or left lung.
- Ponfick s. SYN: achromocyte.
- radiographic parallel line s. SYN: tram lines, under line.

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shad·ow 'shad-(.)ō, -ə(-w) n
1 a) partial darkness or obscurity within a part of space from which rays from a source of light are cut off by an interposed opaque body
b) a dark outline or image on an X-ray photograph where the X-rays have been blocked by a radiopaque mass (as a tumor)
2) a colorless or scantily pigmented or stained body (as a degenerate cell or empty membrane) only faintly visible under the microscope
shadow vt to perform shadow-casting on <freeze-dried and \shadowed myosin molecules>

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shad·ow (shadґo) 1. an attenuated image of an actual object, as a faded or colorless erythrocyte. 2. a figure or image created by the interruption of light or other rays, such as the representation on a radiograph of radiopaque structures.

Medical dictionary. 2011.

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  • Shadow IT — is a term often used to describe IT systems and IT solutions built and used inside organizations without organizational approval. Shadow IT is by many considered an important source for innovation and such systems may turn out to be prototypes… …   Wikipedia

  • Shadow — (engl.: Schatten) steht für: The Shadow, ein US amerikanisches Hörspiel The Shadow (1937), US amerikanischer Film von Charles C. Coleman aus dem Jahr 1937 Shadow ist der Künstlername folgender Personen: DJ Shadow (bürgerlich: Josh Davis; * 1973) …   Deutsch Wikipedia

  • Shadow — Shad ow (sh[a^]d [ o]), n. [Originally the same word as shade. [root]162. See {Shade}.] 1. Shade within defined limits; obscurity or deprivation of light, apparent on a surface, and representing the form of the body which intercepts the rays of… …   The Collaborative International Dictionary of English

  • shadow — [shad′ō] n. [ME schadwe < inflected forms (gen. & dat. sceadwe) of OE sceadu, SHADE] 1. a definite area of shade cast upon a surface by a body intercepting the light rays 2. the dark image made by such a body 3. [pl.] the growing darkness… …   English World dictionary

  • Shadow — (в переводе с англ. «Тень») может означать: The Shadow (журнал) Агент Shadow  кодовое имя Северина из игры BloodRayne 2 Тень (англ. Shadow)  связной из Бримстоуна, с которым Рэйн связывалась в игре BloodRayne Shadow  ёжик персонаж… …   Википедия

  • shadow — shad‧ow [ˈʆædəʊ ǁ doʊ] verb [transitive] 1. to watch someone very closely or work with them in order to learn how they do their job: • The managers were shadowed by trainees in the bank s development programme. 2. to change at the same rate or in …   Financial and business terms

  • shadow — [n1] darkness adumbration, cover, dark, dimness, dusk, gloom, obscuration, obscurity, penumbra, protection, shade, shelter, umbra, umbrage; concepts 620,622 Ant. brightness, light shadow [n2] hint, suggestion breath, intimation, memento, relic,… …   New thesaurus

  • Shadow — Shad ow, v. t. [imp. & p. p. {Shadowed}; p. pr. & vb. n. {Shadowing}.] [OE. shadowen, AS. sceadwian. See {adow}, n.] 1. To cut off light from; to put in shade; to shade; to throw a shadow upon; to overspead with obscurity. [1913 Webster] The… …   The Collaborative International Dictionary of English

  • Shadow — puede referirse a los siguientes conceptos: ● Shadow Racing Cars fue un equipo inglés de Formula Uno de la década de 1970. La compañía fue fundada por Don Nichols en 1971 como Advance Vehicle Systems (Sistemas de Vehículos Avanzados), pero la… …   Enciclopedia Universal

  • shadow — ► NOUN 1) a dark area or shape produced by an object coming between light rays and a surface. 2) partial or complete darkness. 3) a position of relative inferiority or obscurity. 4) sadness or gloom. 5) the slightest trace: without a shadow of a… …   English terms dictionary

  • Shadow dc — is an art installation housed in a political campaign for DC’s unpaid, non voting senate seat, also known as the Shadow Senate seat. It is arguably the first art project that can be elected to an actual, though meaningless, position in our… …   Wikipedia


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