obstruction
Blockage, clogging, or impeded flow, e.g., by occlusion or stenosis. [L. obstructio]
- closed loop o. o. of a segment of intestine either rotated on a fixed point (volvulus) or herniated through a fibrous opening (as under an adhesion or into a hernia); frequently associated with impaired perfusion ultimately resulting in gangrene.
- ureteropelvic junction o. an impediment to drainage of urine from kidney usually due to partial or intermittent blockage of renal collecting system at the junction of renal pelvis and ureter.
- ureterovesical o. o. of the lower ureter at its entrance into the bladder.

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ob·struc·tion əb-'strək-shən, äb- n
1 a) an act of obstructing
b) a condition of being clogged or blocked <intestinal \obstruction>
2) something that obstructs <dislodge an airway \obstruction>

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ob·struc·tion (ob-strukґshən) [L. obstructio] 1. the act of blocking or clogging. 2. the state or condition of being clogged. Cf. atresia. Called also blockage, closure, and occlusion.

Medical dictionary. 2011.

Synonyms:

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  • obstruction — [ ɔpstryksjɔ̃ ] n. f. • 1538; lat. obstructio 1 ♦ Méd. Gêne ou obstacle à la circulation des matières solides ou liquides (dans un conduit de l organisme). ⇒ engorgement, iléus, oblitération, occlusion. Obstruction des voies respiratoires. 2 ♦… …   Encyclopédie Universelle

  • Obstruction — Ob*struc tion, n. [L. obstructio.] 1. The act of obstructing, or state of being obstructed. [1913 Webster] 2. That which obstructs or impedes; an obstacle; an impediment; a hindrance. [1913 Webster] A popular assembly free from obstruction. Swift …   The Collaborative International Dictionary of English

  • obstruction — OBSTRUCTION. s. f. Bouchement des vaisseaux & des conduits par lesquels se portent les humeurs & les esprits dans tout le corps de l animal. Ces viandes causent obstruction. cela guerit les obstructions. il y a obstruction dans le mesentere, dans …   Dictionnaire de l'Académie française

  • Obstruction — (Obstructio alvi, Stuhlverhaltung, Stuhlverstopfung), mangelnde od. wenigstens gehemmte Ausleerung des Darmkothes. Die O. findet in sehr verschiedenem Grade statt u. wird durch verschiedene Ursachen bedingt, so durch entzündliche Zustände des… …   Pierer's Universal-Lexikon

  • Obstruction — Obstruction, lat. dtsch., Verstopfung, die verzögerte oder ganz unterbrochene Entleerung des Darmkanals. Veranlassung geben fehlerhafte Nahrung, zu reizende od. zu fade, schwer verdauliche, ferner Unterlassung des nöthigen Trinkens, sitzende… …   Herders Conversations-Lexikon

  • obstruction — I noun balk, ban, bar, barricade, barrier, block, blockade, blockage, bridle, catch, check, clog, closure, congestion, constraint, constriction, cork, curb, dam, difficulty, disallowance, embargo, embarrassment, enjoining, fence, forbiddance,… …   Law dictionary

  • obstruction — (n.) 1530s, from L. obstructionem (nom. obstructio) a building up, noun of action from pp. stem of obstruere block up, build up, hinder, from ob against (see OB (Cf. ob )) + struere to pile, build (see STRUCTURE (Cf. structure) (n.)) …   Etymology dictionary

  • obstruction — *obstacle, impediment, bar, snag Analogous words: hindering or hindrance, blocking or block (see corre sponding verbs at HINDER): arresting or arrest, checking or check, interruption (see corresponding verbs at ARREST) Antonyms: assistance… …   New Dictionary of Synonyms

  • obstruction — [n] obstacle, impediment bar, barricade, barrier, block, blockage, blocking, booby trap*, check, checkmate*, circumvention, difficulty, gridlock*, hamper, hindrance, hurdle, interference, jam*, lock, monkey wrench*, mountain*, restraint,… …   New thesaurus

  • obstruction — ► NOUN 1) the action of obstructing or the state of being obstructed. 2) a thing that obstructs …   English terms dictionary

  • obstruction — [əb struk′shən] n. [L obstructio] 1. an obstructing or being obstructed 2. anything that obstructs; hindrance SYN. OBSTACLE …   English World dictionary

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