| obstructive appendicitis | Acute appendicitis due to infection of retained secretion behind an obstruction of the lumen by a fecalith or some other cause, including carcinoma of the caecum. (05 Mar 2000) |
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| obstructive dysmenorrhoea | Dysmenorrhoea due to obstruction of discharge of menstrual blood, as in cervical stenosis. Synonym: obstructive dysmenorrhoea. (05 Mar 2000) |
| obstructive hydrocephalus | Hydrocephalus secondary to a block in cerebrospinal fluid flow in the ventricular system or between the ventricular system and spinal canal. Synonym: noncommunicating hydrocephalus. (05 Mar 2000) |
| obstructive jaundice | Jaundice resulting from obstruction to the flow of bile into the duodenum, whether intra-or extrahepatic. Synonym: mechanical jaundice. (05 Mar 2000) |
| obstructive lung disease | <chest medicine> A form of lung disease that manifests as acute or chronic, narrowing or blockage of the smaller airways in the lungs, causing increased resistance to airflow in the bronchial tubes (for example asthma, silicosis, chronic obstructive pulmonary disease from smoking). (27 Sep 1997) |
| obstructive murmur | A murmur caused by narrowing of one of the valvular orifices. (05 Mar 2000) |
| obstructive pneumonia | Infection of lung resulting from obstruction of airway, by narrowing resulting from previous disease process, persistent bronchospasm, thick secretions or by aspiration of a foreign body. (05 Mar 2000) |
| obstructive pulmonary overinflation | Emphysema caused by obstruction of airways that has greater effect on expiration than inspiration; occurs reversibly with bronchospasm of asthma; localised process can be due to aspiration of a foreign body. (05 Mar 2000) |
| obstructive sleep apnoea | A form of sleep apnoea which occurs as the result of a physical occlusion of the oropharyngeal airway during sleep. (27 Sep 1997) |
| obstructive thrombus | A thrombus due to obstruction in the vessel from compression or other cause. (05 Mar 2000) |
| obstructive uropathy | <nephrology, urology> A sudden disorder which results in the complete blockage of urine flow out the bladder and/or urethra. Pressure rises in the urinary tract causing a backward pressure on the kidneys. Bilateral hydronephrosis (kidney enlargement), hypertension and damage to the kidneys (acute renal failure) will occur if the obstruction is not relieved. Causes include prostate disease, tumours and cystocele. Origin: Gr. Pathos = disease (27 Sep 1997) |
| obstruent | Causing obstruction; blocking up; hindering; as, an obstruent medicine. Origin: L. Obstruens, p.pr. Of obstruere. See Obstruct. Anything that obstructs or closes a passage; especially, that which obstructs natural passages in the body; as, a medicine which acts as an obstruent. Source: Websters Dictionary (01 Mar 1998) |
| obstetrical |
obstetric: of or relating to or used in or practicing obstetrics; "obstetric hospital"
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| obsessional |
characterized by or constituting an obsession; "the obsessional character of his response"; "obsessive gambling"
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| obstinate |
stubborn: tenaciously unwilling or marked by tenacious unwillingness to yield cussed: stubbornly persistent in wrongdoing persist stubbornly; "he obstinates himself against all rational arguments" contrary: resistant to guidance or discipline; "Mary Mary quite contrary"; "an obstinate child with a violent temper"; "a perverse mood"; "wayward behavior"
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| obstruct |
hinder or prevent the progress or accomplishment of; "His brother blocked him at every turn" block passage through; "obstruct the path" shut out from view or get in the way so as to hide from sight; "The thick curtain blocked the action on the stage"; "The trees obstruct my view of the mountains"
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| obstructive |
clogging: preventing movement; "the clogging crowds of revelers overflowing into the street"
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| OBS | the act of observing |
|---|---|
| OBS | conformity with law or custom or practice etc. |
| OBS | the act of noticing or paying attention |
| OBS | a formal event performed on a special occasion |
| OBS | paying close attention especially to details |
| OBS | (of individuals) adhering strictly to laws and rules and customs |
| OBS | quick to notice |
| OBS | in an observant manner |
| OBS | the act of observing |
| OBS | the act of making and recording a measurement |
| OBS | the act of noticing or paying attention |
| OBS | facts learned by observing |