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mastoid, or sterno-cleido-mas- 

 toid, a large, thick muscle, which 

 passes obliquely across the side 

 of the neck, enclosed between 

 the two layers of the deep cervical 

 fascia : sterno- thyroid, a muscle 

 arising from the posterior surface 

 of the first bone of the sternum, 

 and inserted into a part of the 

 thyroid cartilage. 



sternutation, n., stern'-iit-d'shUn 

 (L. sternuo, I sneeze), the act of 

 sneezing : sternutatory, a., stern- 

 ut'at-or-i, having the quality of 

 provoking sneezing. 



stertor, n., stert'-or (L. sterto, I 

 snore), the loud snoring which 

 accompanies inspiration in certain 

 diseases : stertorous, a. , stert'or- 

 Us, applied to the loud snoring 

 of apoplexy. 



stethoscope, n., steth'-o-slcop (Gr. 

 stethds, the breast ; skdped, 1 

 view), a tube or solid instrument, 

 of any material, and of various 

 shapes, used by medical men in 

 listening to the sounds produced 

 by the action of the organs in 

 the chest or other cavities of the 

 body ; an instrument employed 

 in mediate auscultation : a steth- 

 oscope may be single, binaural, 

 or double. 



sthenic, a., stli&n'-ilc (Gr. sthenos, 

 strength), attended-with a morbid 

 increase of vital action ; opposed 

 to asthenic, or diseases of debility. 



Btichidium, n., stik-id'-i-um, stich- 

 idia, n. plu., stilc-id'-i-d (Gr. 

 stichidion, a little bladder ; also 

 may be, Gr. stichos, a row or 

 series), in bot., case-like recep- 

 tacles for the spores of some 

 Algae ; free spore-cases in Algse 

 having the spores arranged in 

 rows. 



Btigma, n., stig'ma, stigmata, n. 

 plu., stig'mat-a (Gr. stigma, a 

 mark made with a sharp-pointed 

 instrument from stizo, 1 mark 

 with points), in bot., sing., the 

 naked upper portion of the pistil 

 on which the fertilising pollen 



falls ; the breathing pore of an 

 insect ; in bot., plu., the points 

 of the basidia in some Fungi ; in 

 zool., the breathing pores or spir- 

 acles of insects, and Arachnida : 

 stigmaria, n. plu., stig-mdr'-i-a, 

 in geol., fossil root stems having 

 regular pitted or dotted sur- 

 faces. 



Stilaginaceae, n. plu., stil'-d-jzn-d'- 

 se-e (Gr. stulos, a column or 

 pillar), the Stilago family, an 

 Order of plants, some yielding 

 edible fruits, and others used as 

 pot herbs: Stilago, n., stll-dg'-o, 

 a genus of ornamental trees. 



Stillingia, n., stil-mf-i-a (after 

 Dr. Stilling fleet, an Eng. botanist), 

 a genus of plants, Ord. Euphor- 

 biacese : Stillingia sebifera, seb> 

 if-er'd (L. sebum, tallow, fat ; 



fero, I bear), the tallow tree of 

 China, used in making candles, 

 and the plant also yields a bland 

 oil. 



stipate, a., stlp'dt (L. stlpdtus, 

 crowded or pressed together), in 

 bot. , pressed together ; crowded : 

 stipation, n., stip-d'-shun, an 

 accumulation in the cavities or 

 tissues. 



stipe, n., stlp (L. stipes, a stock, 

 a stalk, stlpitis, of a stalk), in 

 bot., the stern of palms and tree- 

 ferns ; the stalk of fern fronds ; 

 the stalk or stem bearing the 

 pileus in Agarics : stipels, n. 

 plu., stip'elz, small leaflets at 

 the base of the pinnules of com- 

 pound leaves : stipitate, a. , stip f * 

 it- at, in bot. , supported on a stalk; 

 stalked : stipitiform, a., stip-it'-i- 



form (L. forma, shape), resem- 

 bling a stalk or stem. 



stipule, n., stip'-ul (L. stipula, a 

 stem, a stalk), in bot., a leaflet 

 at the base of other leaves, hav- 

 ing a lateral position, and more 

 or less changed in form or texture ; 

 a process developed at the base oi' 

 a petiole : stipulary, a., sttp'ul* 

 ciT'l, in bot., occupying the place 

 of stipules, such as tendrils : stip- 



