Striated (Lat. strio, to furnish with channels). Marked with fine lines.
Styptics (Gr. στυπτικός astringent). Substances used to produce a contraction or shrinking of living tissues.
Subclavian Vein (Lat. sub, under, and clavis, a key). The great vein bringing back the blood from the arm and side of the head; so called because it is situated underneath the clavicle, or collar bone.
Superior Vena Cava (Lat., upper hollow vein). The great vein of the upper part of the body.
Suture (Lat. sutura, a seam). The union of certain bones of the skull by the interlocking of jagged edges.
Sympathetic System of Nerves. A double chain of nervous ganglia, situated chiefly in front of, and on each side of, the spinal column.
Symptom (Gr. σύν, with, and πίπτω, to fall). A sign or token of disease.
Synovial (Gr. σύν, with, and ὠόν, an egg). The liquid which lubricates the joints; joint-oil. It resembles the white of a raw egg.
System. A number of different organs, of similar structures, distributed throughout the body and performing similar functions.
Systemic. Belonging to the system, or body, as a whole.