STOMOD.EUM 



1418 



STRAIN 



mouth, resembling somewhat the proboscis of rhino- 

 cephalus. 



Stomodaeum {sto-mo' -de-uni) [ardfia, mouth ; odaioc, 

 pertaining to a way : p!., Stomod<za\. In biology, the 

 primitive mouth-cavity of embryos, larvae, and young 

 transition-stages. That part of the enteric tube formed 

 at the oral pole by a depression of the ectoderm connect- 

 ing the permanent mouth with the archenteric cavity. 



Stomodaeal (sto-mo* -de-al) \ar6fia, mouth ; o<5aZoc, by 

 the way]. Having the character of a stomodaeum. 



Stomoschisis {sto-mos'-kis-is) [ardfia, mouth ; oxiaig, 

 fissure]. Fissure of the mouth, particularly of the 

 soft palate. 



Stomostaurus {sto-mo-staw' -rus) [arotia, mouth ; arav- 

 poc, cross]. In biology, the cross-shaped mouth of 

 Meduste. 



Stomostyla {sto-mo-sti' -lah) [ardfia, mouth ; orvAog, a 

 pillar: //., Stomostylce\ In biology, one of the oral 

 styles of the Anthomedusce. 



Stomoticous (sto-mot'-ik-us) [arofia, mouth]. Re- 

 lating or pertaining to the mouth. 



Stomotosyrinx {sto - mo - to - si'- rinks) [arofia, mouth ; 

 obr, the ear; cvpvy!-, tube]. The Eustachian tube. 



Stomuria {sto-mu'-re-ah). See Stomaturia. 



Stone {ston) [ME., stoon, stone], i. A hardened mass 

 of mineral matter. 2. An English weight of 14 lbs. 

 See also Calculus. S., Blue, copper-sulphate crys- 

 tals. S., Break, a member of the genus Saxifraga, 

 so called because of the belief that the hard bulbs 

 were of virtue against calculus. See Signatures, 

 Doctrine of. S. -crusher. See Lithotrite. S. -fruit, 

 the same as Drupe, q. v. S., Gall. See Biliary 

 Calculus. S., Liver, a mixture of bitumen and barium 

 sulphate. S. -masons' Neur6sis, loss of control of 

 the hand in the use of the chisel, sometimes observed 

 in stone-masons, as a result of over-use. Both spasm 

 and weakness are likely to be present, and painful 

 points often exist. S.-m. Phthisis. See Grinders' 

 Asthma. S.-oil. See Petroleum. S., Philoso- 

 pher's, a hypothetic substance believed to transmute 

 the baser metals into gold and silver, and to be a 

 panacea against all evils as well. S.-pock, S.-pox. 

 See Acne vulgaris. S.-root. See Collinsonia cana- 

 densis. 



Stool [ME., stool, stool]. The feces. The evacuation 

 of the bowels. A chair or seat. Ss., Bilious, the 

 discharges in bilious diarrhea, as after large doses of 

 calomel. Ss., Caddy, yellow-fever stools which re- 

 semble fine, dark, sandy mud. Ss., Fatty, stools in 

 which fat is present ; due to pancreatic disease. S., 

 Insulated, in electricity, a stool provided with insu- 

 lated legs. Ss., Mucous, stools consisting of or con- 

 taining mucus. They indicate the existence of intes- 

 tinal inflammation. Ss., Pea-soup, the peculiar 

 liquid evacuation of typhoid fever. Ss., Rice-water, 

 the stools of cholera, in which there is a copious serous 

 exudation containing detached epithelium. 



Stop [ME., stoppen, to stop]. To plug up; to hold 

 back; to hinder. S.-cock, a turning cock, con- 

 nected with a pipe, for regulating the flow of gases or 

 liquids. S. -needle, a lance-pointed needle used in 

 the operation of discission, having an enlargement or 

 shoulder upon the shank to prevent too deep penetra- 

 tion. 



Stoppage {stop' a j ) [ME., stoppen, to stop]. Cessation 

 ot How or action ; closure or stegnosis. 



Stopper, Stopple {stop'-er, stop'-l) [ME., stoppen, to 

 stop]. A plug or other closure for a bottle, com- 

 monly made of cork, rubber, or glass. S. -Dropper, a 

 combination of stopper and medicine pipet in one piece. 



Stopping {stop' -ing). See Filling. 



Storax {sto'-raks). See Styrax. 



Storesin {sto-rez' -in) [crvpai;, storax]. An amorphous 

 resin forming the largest ingredient of storax. 



Stoughton, Stoughton's Elixir (sto'-ton). Tinctura 

 absinthii composita ; a tincture of wormwood, ger- 

 mander, gentian, rhubarb, orange-peel, cascarilla, and 

 aloes ; used as a flavor in alcoholic drinks and as a 

 general tonic. Unof. 



Stout (stmvt) [ME., stout, stout]. I. Hardy, sturdy, 

 corpulent. 2. A heavy beer or porter. 



Strabilismus {stra-bil-iz'-mus). See Strabismus. 



Strabismal, Strabismic {stra-biz' -mal, stra-biz' -mik) 

 [arpa(iicsfi6q, a squint]. Relating to or affected with 

 strabismus. 



Strabismometer {stra-biz- mom' -et-er). See S/rabo- 

 meter. 



Strabismometry {stra-biz -mom'-et-re) [or pa liairoc, a 

 squint ; fierpov, measure]. The measurement of the 

 degree of strabismus. 



Strabismus {stra - biz'- mus) [crrpaftlCav, to squint]. 

 That abnormality of the eyes in which the visual axes 

 do not meet at the desired objective point, in conse- 

 quence of incoordinate action of the external ocular 

 muscles. Stevens has devised the following terms to 

 express the deviations of the visual lines in strabis- 

 mus : Heterotropia , a general term for deviation of any ' 

 kind ; Hypertropia, for one visual line above another ; 

 Esotropia, deviation inward; Exotropia, deviation! 

 outward. S., Alternating, when either eye fixes alter- i 

 nately. S., Apparent, due to a large angle alpha. S., 

 Concomitant, the squinting eye has full range of 

 movement. S., Constant, when the condition is a per- | 

 manent one. S., Convergent, when the squinting 

 eye is turned to the nasal side. S. deorsumvergens, 

 the axis of vision is directed downward. S., Diver- \ 

 gent, when the squinting eye is turned to the temporal : 

 side. S., Downward, strabismus in which the squint- 1 

 ing eye turns downward below the point of fixation of | 

 the other eye. S., Dynamic. See Insufficiency. S., 

 External. See S., Divergent. S., Intermittent, that 

 disappearing without apparent cause and returning at \ 

 regular intervals. It is usually seen in children 

 is probably of nervous origin. S., Internal. See S. t 

 Convergent. S., Latent. See Insufficiency. S.. ' 

 Monocular, or Unilateral, when the same eye always 

 deviates. S., Paralytic, due to paralysis of one or- 

 more muscles. S., Periodic, strabismus occurring 

 sometimes on fixation for near but not for far points. 

 S., Spastic, strabismus due to a spastic contract;, 

 an ocular muscle. It occurs in connection with cen- 

 tral nervous disease. S. sursumvergens, the visual 

 axis is directed upward. S., Upward, strabisn 

 which the squinting eye turns upward beyond the ; 

 of fixation of the other eye. 



Strabometer {stra - bom'- et - er) [orpafioc, squinting ; j 

 ukrpov, measure] . An instrument for the measui 

 of the deviation of the eyes in strabismus. 



Straboscopic {stra- bo -skip'- ik) [arpafioc, croi 

 dkonelv, to see]. Pertaining to the appearance of ob- 

 jects as seen by one with strabismus. S. Disc, an in- 

 strument producing distortion of objects. 



Strabositas (slra-bos'-il-as). See Strabismus. 



Strabotomy {stra-bof -o-mc) [arpafidc, crooked ; r 

 to cut] . An operation for the correction of strabi 

 See Tenotomy. 



Straddling Disease. See Quebrabunda. 



Stragular {strag* -u-lar) [stragulum, a cover]. IVrtain 

 ing to the mantle ; pal Hal. 



Stragulum {strag'-u-lum) [L.]. The mantle ; tl" 

 pallium. 



Strain {strati) [ME., straynen, to strain]. In ; 

 macy, to separate insoluble substances from the liquk 

 in which they occur. To filter. In pathology, am 



