| occulomotor nerve | <anatomy, nerve> The occulomotor nerve is responsible for motor enervation of upper eyelid muscle, extraocular muscle and pupillary muscle. Lesions of the oculomotor nerve results in ptosis (dropping eyelid), deviation of the eyeball outward, double vision and a dilated pupil. Synonym: cranial nerve III. (27 Sep 1997) |
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| occult | Obscure, concealed from observation, difficult to understand. (18 Nov 1997) |
| occult bleeding | See: occult blood. (05 Mar 2000) |
| occult blood | Blood that is in the faeces or vomitus that is not obvious by general inspection. Used as a diagnostic screening test for colon cancer. Tests for occult blood are generally colourimetric. Stool sample will turn blue when a particular chemical reagent is mixed with the specimen on test paper. Kits for measuring occult blood in the stools are now available at most drug stores. (27 Sep 1997) |
| occult border of nail | The proximal border of the nail entirely covered by the nail wall. Synonym: margo occultus unguis, occult border of nail. (05 Mar 2000) |
| occult carcinoma | <tumour> A small carcinoma, either asymptomatic or giving rise to metastases without symptoms due to the primary carcinoma. (05 Mar 2000) |
| occult fracture | A condition in which there are clinical signs of fracture but no X-ray evidence; after 3 or 4 weeks X-ray imaging shows new bone formation. (05 Mar 2000) |
| occult hydrocephalus | <neurology> A brain disorder caused by blockage of the flow of cerebrospinal fluid (CSF), with enlargement of the ventricles of the brain (keep the pressure normal) and compression of brain tissue. Brain atrophy is the result. In this condition the CSF is produced normally but not reabsorbed. Symptom onset is gradual. A key feature is dementia. Treatment is surgical (VP shunt). (13 Nov 1997) |
| occultation | 1. <astronomy> The hiding of a heavenly body from sight by the intervention of some other of the heavenly bodies; applied especially to eclipses of stars and planets by the moon, and to the eclipses of satellites of planets by their primaries. 2. The state of being occult. "The reappearance of such an author after those long periods of occultation." (Jeffrey) Circle of perpetual occultation. See Circle. Origin: L. Occultatio a hiding, fr. Occultare, v. Intens. Of occulere: cf.F. Occultation. See Occult. Source: Websters Dictionary (01 Mar 1998) |
| occulted | 1. Hidden; secret. 2. <astronomy> Concealed by the intervention of some other heavenly body, as a star by the moon. Source: Websters Dictionary (01 Mar 1998) |
| occupational deafness | Sensorineural hearing loss due to overexposure to high intensity noise levels. Synonym: boilermaker's deafness, industrial deafness, occupational deafness. (05 Mar 2000) |
| occupational dentistry | The branch of dentistry concerned with maintaining oral health of employees in occupational environments. (12 Dec 1998) |
| occupational disease | A morbid condition resulting from exposure to an agent during the usual performance of one's occupation. Compare: industrial disease. (05 Mar 2000) |
| occupational diseases | Diseases due to factors involved in one's employment. (12 Dec 1998) |
| occupational exposure | The exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation. (12 Dec 1998) |
| occupational medicine |
The practice concerned with injury and illness in the workplace
출처: www.ehealthmd.com/library/carpaltunnel/CT_glossary...
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| Occam's razor |
A maxim stating an explanation should be based on a minimal number of assumptions.
출처: www.genpromag.com/Glossary~LETTER~O.html
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| occult |
Indicating a disease or condition that is clinically not apparent.
출처: www.peteducation.com/dict_alpha_listing.cfm
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| occipital plane |
The portion of the occiput above the superior nuchal line, and for the most part above the nuchal muscles.
출처: www.modernhumanorigins.com/o.html
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| occlusal force |
The force produced between the teeth during chewing.
출처: www.modernhumanorigins.com/o.html
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