This glossary currently contains medical and blood-related
terms and is regularly updated.
Click on a letter below to list terms alphabetically, or use the search facility to scan the glossary database.
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Salt Free
Without salt (sodium chloride, NaCl).
Secondary Antibody Deficiency
SAD is a shortage or complete lack of antibodies which results from the effects of another illness (i.e. not genetic), such as myeloma.
Serum
Plasma without clotting factors. Plasma without the fibrin clot.
Severe Haemophilia
Condition resulting from a level of Factor VIII or Factor IX clotting activity less than 2% in the blood stream.
Shingles
Disease in adults caused by Varicella Zoster virus (Herpetoviridae) that, in children, causes Chicken Pox.
Soft Tissue Injury
An injury related to trauma that involves ligaments, tendons and muscles.
Solvent/Detergent
A manufacturing process that destroys lipid-enveloped viruses like HIV, HBV and HCV, by using a mixture of an organic solvent and a detergent.
Spondylolistthesis
Forward displacement of one vertebra over another.
Sporadic Haemophilia
Cases of Haemophilia which occur with no previous family history. It is assumed that these cases are the result of genetic mutation.
Sterile
Free from bacteria and other microorganisms.
Subcutaneous
A term referring to under the skin, usually associated with injections into the fatty tissue beneath the skin.
Swelling - Circumferential
Swelling involving all sides of a joint.
Swelling - Unilateral
Swelling involving a joint on one side of the body.
Syndrome
A unique combination of sometimes apparently unrelated symptoms or signs, forming a distinct clinical entity.
Synovitis
Chronic joint swelling, caused by repeated bleeding from the synovium into the joint.
Synovium
Synovial membrane, the membrane that lines the inside of joints and produces a lubricating fluid for the joint.

