| tic disorders | Sudden, rapid, recurrent, nonrhythmic, stereotyped motor movements or vocalizations. All forms of tics may be exacerbated by stress and attenuated during absorbing activities. They are distinguished from other types of abnormal movements that may accompany general medical conditions. (12 Dec 1998) |
|---|---|
| elimination disorders | Excretory-related psychiatric disorders usually diagnosed in infancy or childhood. (12 Dec 1998) |
| endocrine disorders | Disorders which involve the over-production or under-production of hormone substances from an endocrine gland. Some examples include diabetes, hypothyroidism, hyperthyroidism, hyperparathyroidism, Cushing's disease, Cushing's syndrome and acromegaly. (27 Sep 1997) |
| factitious disorders | Disorders characterised by physical or psychological symptoms that are not real, genuine, or natural. (12 Dec 1998) |
| urination disorders | Disorders in the frequency of urination, the volume of urine produced or eliminated, or the ability to retain or void urine in normal fashion. (12 Dec 1998) |
| lactation disorders | Disturbances of milk secretion in either sex, not necessarily related to pregnancy. (12 Dec 1998) |
| language development disorders | Failure to understand or speak the language at the expected age. Causal factors include slow maturation, hearing loss, brain injury, mental retardation and emotional disorders. (12 Dec 1998) |
| language disorders | Disabilities related to both the sensory and motor aspects of language; includes impairments in understanding of written and spoken language, and impairments in speaking and writing language. (12 Dec 1998) |
| learning disorders | Impairment of learning ability due to emotional, environmental or physiological factors. (12 Dec 1998) |
| leukocyte disorders | Disordered formation of various types of leukocytes or an abnormal accumulation or deficiency of these cells. (12 Dec 1998) |
| lymphoproliferative disorders | Disorders characterised by proliferation of lymphoid tissue, general or unspecified. (12 Dec 1998) |
| abstracting and indexing | Shortening or summarizing of documents; assigning of descriptors for referencing documents. (12 Dec 1998) |
| academies and institutes | Organizations representing specialised fields which are accepted as authoritative; may be non-governmental, university or an independent research organization, e.g., national academy of sciences, brookings institution, etc. (12 Dec 1998) |
| accounts payable and receivable | Short-term debt obligations and assets occurring in the regular course of operational transactions. (12 Dec 1998) |
| aged, 80 and over | A person 80 years of age and older. (12 Dec 1998) |