| AASH | adrenal androgen stimulating hormone; American Association for the Study of Headache |
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| ACHE | American College of Healthcare Executives; American Council for Headache Education |
| BEH | benign exertional headache |
| BSH | benign sexual headache |
| CPH | Certificate in Public Health; chronic paroxysmal hemicrania; chronic persistent hepatitis; chronic p... |
| spinal headache | A headache that can occur after a lumbar puncture is performed. Patients who lie flat on their stomach for one hour immediately after lumbar puncture, followed by 12 hours on their back, have a decreased incidence of spinal headaches. (27 Sep 1997) |
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| nodular headache | Radiating pain in the head accompanied by nodular swellings in the splenius, frontalis, trapezius, and other muscles. (05 Mar 2000) |
| symptomatic headache | A headache secondary to another organic condition. Synonym: reflex headache. (05 Mar 2000) |
| tension headache | <neurology> A benign form of headache that results from the painful spasm (muscle tightness) and inflammation of muscles of the head and neck. Tension headache is one of the most common forms of headache. Spasm and contraction of the head and neck muscles may occur in response to fatigue, overuse, eye strain, excessive smoking, stress, anxiety or depression. Sleeping in an abnormal position or prolonged work involving immobilisation of the neck in one position (typing, computers, etc.) are considered common triggers. Exercising and stretching the muscles of the head and neck can reduce the occurrence of muscle tension headaches. (13 Jan 1998) |
| fibrositic headache | Headache centreed in the occipital region due to fibrositis of the occipital muscles; tender areas are present and, commonly, tender nodules are found in the scalp in the lower occipital region. (05 Mar 2000) |
| acute organic brain syndrome | <syndrome> A constellation of behavioural or psychological signs and symptoms including problems with attention, concentration, memory, confusion, anxiety, and depression caused by transient or permanent dysfunction of the brain. Synonym: acute organic brain syndrome, OBS, organic mental syndrome. (05 Mar 2000) |
| volatile organic compounds | (VOC) Emissions of non-methane hydrocarbons, measured by standard DEQ methods. (05 Dec 1998) |
| substance-induced organic mental disorders | Mental disorders caused by use of drugs, e.g., cocaine. (05 Mar 2000) |
| organic | Any foods grown without the use of chemical fertilisers or pesticides, in soil made rich by composting and mulching. Pertaining to carbon-based compounds produced by living plants, animals or by synthetic processes. (27 Sep 1997) |
| organic acid | An acid made up of molecules containing organic radicals; e.g., acetic acid, citric acid, which contain the ionizable -COOH group. (05 Mar 2000) |
| organic brain syndrome | <syndrome> A constellation of behavioural or psychological signs and symptoms including problems with attention, concentration, memory, confusion, anxiety, and depression caused by transient or permanent dysfunction of the brain. Synonym: acute organic brain syndrome, OBS, organic mental syndrome. (05 Mar 2000) |
| organic catalyst | A catalyst that is an organic molecule. See: enzyme, ribozyme. (05 Mar 2000) |
| organic chemicals | A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form. (12 Dec 1998) |
| organic chemistry | <chemistry> A branch of chemistry that deals specifically with the structures, synthesis and reactions of carbon-containing compounds. (11 Jan 1998) |
| organic compound | <chemistry> A compound containing carbon. (11 Jan 1998) |