Skel´e-ton (Gr.). The bony framework of an animal, the different parts of which are maintained in their proper relative positions.
Spec´tro-scope (from spec´trum and σκοπέω, scopeo, to examine the spectrum). An instrument employed in the examination of the spectrum of the sun or any other luminous body.
Sphyg´mo-graph (Gr. σφυγμός, sphugmos, the pulse, and γράφω, grapho, to write). An ingenious instrument by means of which the pulse is delineated upon paper.
Sta´pes (L.). Literally, a stirrup; one of the small bones of the tympanum, or middle ear, resembling somewhat a stirrup in shape.
Sym-pa-thet´ic system of Nerves. A double chain of nervous ganglia, connected together by numerous small nerves, situated chiefly in front of and on each side of the spinal column.
Syn-o´vi-a (Gr. σύν, sun, and ὠόν, oon, resembling an egg). The lubricating fluid of joints, so called because it resembles the white of egg.
Sys´to-le (Gr. συστέλλω, sustello, to contract). The contraction of the heart, by which the blood is expelled from that organ.
Tac´tile (L. tac´tus, touch). Relating to the sense of touch.
Tem´po-ral (L. tem´pus, time, and tem´pora, the temples). Pertaining to the temples; the name of an artery: so called, because the hair begins to turn white with age in that portion of the scalp.
Ten´don (L. ten´do, to stretch). The white, fibrous cord or band by which a muscle is attached to a bone; a sinew.