| mental hygiene | The science and practice of maintaining and restoring mental health; a branch of early twentieth century psychiatry that has become an interdisciplinary field including subspecialties in psychology, nursing, social work, law, and other professions. (05 Mar 2000) |
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| criminal hygiene | An obsolete term for the branch of mental hygiene or penology devoted to the study of the causes and prevention of criminality and the treatment of criminals. (05 Mar 2000) |
| hygiene | The science of health and how to maintain it. A condition or practice which promotes good health. (09 Oct 1997) |
| Simplified Oral Hygiene Index | An index that measures the current oral hygiene status based upon the amount of debris and calculus occurring on six representative tooth surfaces in the mouth; often used in field surveys of periodontal disease. (05 Mar 2000) |
| industrial hygiene | Practices adopted by an industrial concern to minimise occupation-related disease and/or injury. (05 Mar 2000) |
| oral hygiene | The practice of personal hygiene of the mouth. It includes the maintenance of oral cleanliness, tissue tone, and general preservation of oral health. (12 Dec 1998) |
| oral hygiene index | A combination of the debris index and the dental calculus index to determine the status of oral hygiene. (12 Dec 1998) |
| bronchial | <anatomy> Pertaining to one or more bronchi. Origin: L. Bronchialis (13 Nov 1997) |
| bronchial adenoma | <radiology> Most common benign lung tumour (but only 1/50 as common as carcinoma), malignant potential, 75% resemble carcinoid tumour or cylindroma, possibly benign form of oaT-cell tumour, haemoptysis, bronchial obstruction most likely to be air-trapping (12 Dec 1998) |
| bronchial anatomy | <radiology> Normal anatomy: right bronchus: eparterial, left bronchus: hyparterial, may help determine situs (12 Dec 1998) |
| bronchial arteries | Left bronchial arteries arise from the thoracic aorta, the right from the first aortic intercostal or the upper left bronchial artery; they supply the bronchi and the lower trachea. (12 Dec 1998) |
| bronchial asthma | A condition of the lungs in which there is widespread narrowing of airways, varying over short periods of time either spontaneously or as a result of treatment, due in varying degrees to contraction (spasm) of smooth muscle, oedema of the mucosa, and mucus in the lumen of the bronchi and bronchioles; these changes are caused by the local release of spasmogens and vasoactive substances (e.g., histamine, or certain leukotrienes or prostaglandins) in the course of an allergic process. (05 Mar 2000) |
| bronchial atresia | Severe focal narrowing or obliteration of a segmental or lobar bronchus, usually associated with distal air trapping. (05 Mar 2000) |
| bronchial breathing | Breath sounds of a harsh or blowing quality, heard on auscultation of the chest, made by air moving in the large bronchi and barely, if at all, modified by the intervening lung; duration of the expiratory sound is as long as or longer than that of the inspiratory sound, and its pitch as high as or higher than that of the inspiratory sound; may be heard over a consolidated lung, above a pleural effusion due to an underlying compressed lung, and rarely over a pulmonary cavity; whispered pectoriloquy is another manifestation that usually can be elicited when bronchial breathing is present. (05 Mar 2000) |
| bronchial bud | One of the outgrowths from the primordial endodermal laryngotracheal tube giving rise to the primary bronchi. See: laryngotracheal diverticulum. (05 Mar 2000) |