| SHMO, S/HMO | social health maintenance organization |
|---|---|
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
| SIS | semantic indexing system; serotinin irritation syndrome; simian sarcoma; simulator-induced syndrome;... |
| SocSec | Social Security |
| SocServ | social services |
| 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) |