268 GLOSSARY. 



Se'rous. Having the nature of serum. 



Se'rum. [Lat.] The watery fluid separated from the blood after coagula- 

 tion. 

 Ses'amoid. [From the Gr. sesamon, a "seed of the sesamuni," and eidos, 

 "form," "resemblance."] Resembling a grain of sesamum. A term 

 applied to the small bones situate in the substance of tendons, near 

 certain joints. 

 Sig'moid. From the Gr. letter 5, sigma, and eidos, " form," " resemblance."] 



Curved like the letter S. 

 Sole'us. [From the Lat. solea, a "sandal."] A name given to a muscle 



shaped like the sole of a shoe. 

 Specific Grav'ity. The comparative density or gravity of one body con- 

 sidered in relation to another assumed as the standard. In measuring 

 the specific gravity of liquids or solids, water is usually taken as the 

 standard of comparison, being reckoned as a unit. 

 Sphe'noid. [From the Gr. sphen, a "wedge," and eidos, "form," "resem- 

 blance."] Like a wedge. 

 Sphinc'ter. [From the Gr. sphiggo, to "bind tight," to "close."] A circu- 

 lar muscle which contracts the aperture to which it is attached. 

 Squa'mous. [From the Lat. squama, a " scale."] Scale-Wke. 

 Sta'sis. [From the Gr. stao, to " stop."] Stagnation of the blood current. 

 Ste'arin. One of the three chief constituents of fat. 

 Ster'num. [Lat.] The breast-bone. 



Stim'ulus, pi. Stim'uli. [Lat. a "goad."] Anything that excites to action. 

 Sto'ma, pi. Stom'ata. [From the Gr. stoma, stomatos, a " mouth."] A 



mouth; a small opening. 

 Strat'ified. [From the Lat. stratum, a " layer," and facio, to " make."] 



Formed or composed of strata or layers. 

 Stri'ated. [From the Lat. strio, striatum, to "make furrows."] That which 



has strice, furrows or lines. 

 Stro'ma. [From the Gr. stroma, a " bed."] The foundation or hed tissue of 



an organ. 

 Styloglos'sus. [From the Gr. stylos, a " pillar," and glussa, the " tongue."] 

 A muscle connected with a, pointed style-like process of the temporal bone 

 and the tongue. 

 Subcla'vian. Under the clavicle. 

 Subcuta'neous. [From the Lat. sub, "under," and cutis, the "skin."] Under 



the skin. 

 Sudoriferous. [From the Lat. sudor, " sweat," and fero, to " carry," to 



" bear."] A term applied to the glands secreting sweat. 

 Supina'tion. [From the Lat. supino, supinatum, to "bend backwards," to 

 " place on the back."] The turning of the hand with the palm back- 

 wards, the posterior surface of the hand being supine. 

 Su'pinators. The muscles which turn the hand with the palm backwards. 

 Suprare'nal. [From the Lat. sw^cr, "over," and ren, renis, the "kidney."] 



Above the kidney. 

 Su'ture. [From the Lat. suo, sutum, to "sew together."] That which is 

 sewn together, a seam; the seam uniting bones of the skull. 



