498 GLOSSARY 



Sag'ittal. [From the Lat. sagitta, an " arrow."] Arrow-like. 



Saliva'tion. [From the Lat. scdivare, to " salivate."] An excessive 

 secretion of saliva. 



Sapi<?. [From the Lat. sapere, to " taste."] Possessing savor or flavor. 



Saphe'nous. [Froni the Gr. saphes, " manifest."] A name given to the 

 two large superficial veins of the lower limbs. 



Saponifica'tion. [From the Lat. sapo, saponis, " soap," and facio, to 

 " make."] Conversion into soap. 



Sarcolem'ma. [From the Gr. sarx, sarkos, " flesh," and lemma, a " cover- 

 ing."] The covering of the individual muscle-fibrils. 



Sarto'rius. [From the Lat. sartor, a "tailor."] The name of the muscle 

 used in crossing the legs, as a tailor does when he sits and sews. 



Scaph'oid. [From the Gr. skaphe, a " boat," and eidos, " form."] Boat- 

 shaped. The bone on the radial side of the proximal row of the 

 carpus. Also called navicular. 



Scap'ula. [Lat.] The shoulder-blade. 



Scle'ra. [Lat. scleroticus, from Gr. skleroo, to " harden."] Hard, 

 tough. 



Se'bum, or Se'vum. [Lat. sevum, " suet."] A fatty secretion resembUng 

 suet, which lubricates the surface of the skin. 



Secre'tion. [From the Lat. secer'no, secre'tum, to " separate."] The 

 process of separating from the blood some essential, important fluid ; 

 which fluid is also called a secretion. 



Semilu'nar. [From the Lat. semis, " half," and luna, the " moon."] 

 Having the shape of a half-moan. 



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

 eidos, " form," " resemblance."] Resembling a grain of sesamum. 

 A term applied to the small bones situate in the substance of ten- 

 dons, near certain joints. 



Sig'moid. [From the Gr. letter 2, sigma, and eidos, " form," " resem- 

 blance."] Curved like the letter S. 



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

 shaped like the sole of a shoe. 



Spermatozo'on. [From the Gr. spermu, " sperm " (from speirein, " to 

 sow "), and zoon, an " animal."] The male generative cell. 



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

 semblance."] Like a wedge. 



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

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



