Letter: s

Arterial Oxygen Saturation

Superior Articular Process of Vertebra

Severe Acute Respiratory Syndrome

Society for Critical Care Medicine

Cells that form the myelin sheaths around nerve fibers providing insulation and protection.

Either of two foramina on each side of the pelvis that are formed by the hip bone, the sacrospinous ligament, and the sacrotuberous ligament and that form a passage from the pelvis to the gluteal and peroneal regions.

Either of the pair of largest nerves in the body that arise one on each side from the sacral plexus and that pass out of the pelvis through the greater sciatic foramen and down the back of the thigh to its lower third where division into the tibial and common peroneal nerves occurs.