Occlude
1 To close, obstruct, or prevent the passage. To occlude an artery is to occlude the flow of blood. 2 To bring together. To occlude the teeth is to align the upper and lower teeth, as for chewing.
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- Occult
Hidden. For example, occult blood in the stool is hidden from the eye but can be detected by chemical tests.
- Occult stool blood test
A test to check for microscopic blood in the feces or stool.
- Occupational disease
A disease that is due to a factor in a person?s work. For example, an occupational disease for coal miners is lung disease.
- Occupational medicine
The field of medicine that encompasses occupational diseases. Occupational medicine was founded in 1700 by the Italian physician Bernardino Ramazzini, who recognized the relationship between lead and antimony and the symptoms of poisoning in painters and other artisans exposed to them. Ramazzini also first recognized miners? lung disease.
- Occupational Safety and Health Administration
OSHA, an agency of the US government (under the Department of Labor) with the responsibility of ensuring safety at work and a healthful work environment. OSHA’s mission is to prevent work-related injuries, illnesses and deaths. Since OSHA was created in 1971, occupational deaths in the US have declined by half and injuries by 40%. Nevertheless, […]