| FCS | faciocutaneoskeletal syndrome; fecal containment system; feedback control system; fetal calf serum; ... |
|---|---|
| HCPCS | Health Care Financing Administration common procedural collecting system; Health Care Financing Admi... |
| HIS | health information system; Health Interview Survey; histatin; histidine; hospital information system... |
| HMIS | hazardous materials identification system; hospital medical information system |
| IMS | incurred in military service; Indian Medical Service; industrial methylated spirit; information mana... |
| lutheran blood-group system | A complex blood group system having pairs of alternate antigens and amorphic genes, but also subject to a dominant independently segregating repressor. (12 Dec 1998) |
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| lymphatic system | <anatomy> The tissues and organs (including the bone marrow, spleen, thymus and lymph nodes) that produce and store cells that fight infection and the network of vessels that carry lymph. (12 May 1997) |