STREPTOCOCCUS 



1420 



STRIOLA 



Streptococcus (strep-to-kok' -kus) [orpETTTdc-, twisted ; 

 KOKKoq, a kernel: pi. , Streptococci]. A genus of coc- 

 caceous schizomycetes, of which the cocci are ar- 

 ranged in strings or chaplets. Many of the species 

 are believed to be pathogenic. See Bacteria, Syno- 

 nymatic Table of. 



Streptostylic (strep-to-sti' -Uk)[oTpenT6c , twisted; (ttu/Wc, 

 a | illar]. Having the quadrate bone freely articu- 

 lated with the skull, as in ophidian and saurian 

 reptiles. 



Streptothrix (strep-toth* '-riks) [arptntdq, twisted ; 0p/f , 

 the hair]. In biology, a genus of Schizomycetes, the 

 cells uniting into simple or branching threads. See 

 Cladothrix, under Bacteria, Synonymatic Table of. 



Stretch [ME. , strecchen, to stretch]. To draw out to 

 full length. S.-walk, a position in walking for phy- 

 sical development, with the arms stretched upward. 



Stretcher (strech'-er) [ME., strecchen, to stretch]. A 

 portable cot or litter for carrying the sick. 



Stria (stri' -ah) [L. a streak: pi. , Striaf\. A streak or 

 line. S., Acoustic, S., Auditory, transverse white 

 lines, on the lower part of the floor of the fourth ven- 

 tricle, which unite with the auditory nerve-roots. S. 

 atrophicae, whitish, cicatricial lines of the skin caused 

 by the contractions of skin that have been stretched by 

 fat, pregnancy, etc. S., Callosal. See S. longitud- 

 inales et laterales. S. Cornea, a narrow, white streak 

 interpolated between the thalamus and the caudatum, 

 on the ventricular floor. In color it resembles translu- 

 cent, bluish horn, owing to a vein which passes along 

 and under it. S. gravidarum, the atrophic striae 

 observed upon the abdomen in pregnant women. S. of 

 Heidenhain. See Rods of Heidenhain. S. longitud- 

 inales et laterales, appearances of part of the corpus 

 callosum. S., Pineal, the habena or habenula. S. 

 of Retzius, brown stripes on a tooth, parallel to its 

 edge. They are the indications of enamel-formation. 

 S. vascularis, the vascular layer of the cochlea. 

 Corpora striata. See Corpus. 



Striate (stri' -at) \_stria, a furrow]. Marked with 

 minute ridges or furrows. S. Body. See Corpora 

 striata. S. -plicate, in biology, having minute folds 

 that form striae. S. -punctate, having parallel rows 

 of spots or dots that form striae. S.-sulcate, in biol- 

 ogy, striate with little furrows. 



Striated (stri' -a-ted) [stria, a furrow]. Marked with 

 furrows. S. Hair. See Ringed Hair. 



Striation (stri-a'-skun) [stria, furrow]. An arrange- 

 ment of lines. A striated structure. S. of Heiden- 

 hain. See Rods of Heidenhain. 



Striatum (stri-a' -turn) [L.]. Same as Corpus striatum. 



Striature (stri' -at-ur) [striare, to furrow]. I. Mode of 

 striation. 2. A stria. 



Strichcultur (strich' -kul-tiir) [Ger.]. See Culture. 



Strictura (strik-lu'-rah). See Stricture. 



Stricture (strik'-tur) [strictura : stringere, to compress]. 

 The abnormal narrowing or contraction of the lumen 

 of a canal or duct from external pressure, or as a result 

 of inflammatory or other changes. The most con- 

 stricted part of the opening through which a hernia 

 protrudes. S., Annular, a ring-like obstruction pro- 

 duced by a fold of mucous membrane or constriction 

 all around the urethra, gut, etc. S., Bridle, a fold 

 of mucous membrane forming a crescentic obstruction, 

 or perforated in its center ; called, also, S., Linear, 

 S., Pack-thread, S., Valvular and S., Hour-glass, 

 according to the peculiar appearances. S., Cicatri- 

 cial, a stricture due to cicntricial tissue. S., Conges- 

 tive, a temporary obstruction of the urethra from sub- 

 acute prostatitis or other passing intlammation. S.- 

 cutter, an instrument for dividing a stricture. S.- 

 fever, the constitutional disturbances sometimes the 



result of acute stricture. S., Functional. See 5., 

 Spasmodic. S., Impermeable, or S., Impassable, 

 one not permitting the passage of a bougie or catheter 

 S., Irregular, or S., Tortuous, so named frori th< 

 complications or peculiarities. S., Irritable, one ii 

 which the passage of the instrument causes great pain 

 S., Organic, narrowing of a canal due to tissue 

 change, to deposits, or to pressure from without. S. 

 Permeable or Passable, one permitting the pa 

 of an instrument. S., Recurrent or Contractile, oi 

 in which the constriction returns after dilatation. S. 

 Simple, one that produces no interruption of function 

 pain, etc. S., Spasmodic, a stricture due to muscu 

 lar spasm and not to organic change. 



Strictureotome (strik' -tur-o-tom). See Stricturotomt. 



Strictureotomy (strik-tur-of '-o-me) [strictura, strict: 

 ure ; ts/ivecv, to cut]. See Slricturotomy. 



Stricturotome (stiik' -tu-ro-lom) [strictura, stricture ; 

 te/iveiv, to cut]. A cutting instrument for use in d 

 viding a stricture. 



Stricturotomy [strik-tur-of -o-me) [strictura, stricture 

 te/iveiv, to cut]. A cutting operation for the reli 

 stricture. 



Stridor (stri' -dor) [stridere, to make a creaking sound 

 A peculiar, harsh vibrating sound arising from son 

 struction in the throat or larger respiratory tubes. It 

 most commonly due to compression of the trachea 1 

 some extraneous growth, or to spasm or paralv 

 the vocal bands. S. dentium. See Odont, 

 S., Inspiratory, the sound heard in inspi 

 through a spasmodically closed glottis. S., Laryn 

 geal, stridor due to laryngeal stenosis. S. serrat 

 cus, a sound like that of sharpening a saw, 

 times produced by expiration through a tracheoumr 

 tube. 



Stridulate (strid' -u- lat) [stridulus, creaking]. 1 

 make a stridulous noise, as an insect. 



Stridulation (strid-u-la' -shun) [stridulare, to strid 

 late]. The act or function of making a striduloij 

 sound. 



Stridulous {strid' -u-lus) [stridere, to make a creakii 

 sound]. Making a creaking or grating sound. S 

 Laryngismus. See Laryngismus. 



Striga (stri'-gah) [striga, a swath, furrow ://. , St 

 In biology : (a) a bristle-like scale ; (b) a streak. 



Strigate (stri' -gat). Same as Strigose. 



Strigil (strij '-il) [strigilis, a scraper]. A flesh bru^ 



Strigilate (strij' -il -at) [strigilis, a scraper]. IV 

 with a strigilis. 



Strigilation (strij-il-a'-shun) [slrigilatus\ Friction I 

 means of a brush. 



Strigilis (strij' -il-is) [strigilis, a scraper : //. , Strigileu 

 In biology, a comb-like organ on the first tarsal joi 

 of the fore leg of the bee, employed to clean t 

 antennaj and to clear from the eye-hairs all poller 

 grains or foreign bodies ; the eye-brush, eye-comb. ; 



Strigilose (strij' -il-oz) [striga, a furrow]. In 1>i 

 minutely strigose. 



Strigmentum (strig-men' -turn) [L., a scraping] 

 rolls of dirt and epithelium rubbed off the moist sk 

 S. capitis. See Pityriasis. 



Strigose, Strigous (slri'-gbz, stri'-gus) [striga, a f» 

 row]. Covered with bristles; armed with sharp a 

 stout hairs. 



Striking (stri' -king). See Black Leg. 



String Method. See Treatment, Mr/hods of. 



Stringhalt (string' -ha-w/t) [a corruption of Sprin 

 A popular name for a nervous affection man 

 involuntary, convulsive movements of one or b<i 

 hind legs of a horse. See Springhalt. 



Striola (stri'-o-lah) [L., a little furrow]. A d< 

 stria. 



