STROBOSCOPE 



516 



STRYCHNOS 



Klangstabe. S., Gennari's. See Line, GennarVs 

 (Illus. Diet.). S., Vicqd'Azyr's. See Layer, Bail- 

 larger 's. 



Stroboscope (stro-bo-skop) [arpojioq, a twisting; ovco- 

 neiv, to view]. An instrument by which a series of 

 slightly different pictures presented rapidly in succes- 

 sion is made to appear as a continuous object in mo- 

 tion. S., Direct, one in which the figures and slits 

 revolve in the same direction ; a phaenakistoscope. S., 

 Reverse, one in which the figures and slits revolve in 

 opposite directions ; a daedalum or dedalum. 



Strobostereoscope {stro-bo-ster' -e-o-skop'). See Stereo- 

 stroboscope. 



Stroma. (See Illus. Diet.) S., Cancer, the fibrous- 

 tissue element of a cancer. S., His', the trabecular 

 framework of the mammary gland. S. of Rollet, an 

 insoluble, spongy network forming the structure of 

 an erythrocyte, within the interstices of which is em- 

 bedded a soluble, finely granular substance, the hemo- 

 globin. [ DaCosta. ] 



Strombodes jenneri {strom-bo* -dlz jen'-ur-i). A 

 name proposed by Sjobring for the microorganism of 

 vaccinia. 



Strontia (stron' '-she-ah). Strontium oxid. 



Strontium. (See Illus. Diet.) S. Acetate, 2Sr(C,- 

 H s 2 ) 2 + H 2 0, a white, crystalline powder, soluble in 

 water, used as an anthelmintic. Dose, %—}£ S r - 

 (0.016-0.05 gm.). S. Arsenite, Sr(As0 2 ) a -}-4H 2 0, 

 a white powder soluble in water, used as an alterative 

 and tonic in skin-diseases and malarial conditions. 

 Dose, aV"A S 1 "- (0.0022-0.0044 gm. ). S. and 

 Caffein Sulfonate, (C 8 H 9 N 4 2 . SO s ) 2 Sr, soluble in 

 water, used as a diuretic. Syn. , Symphorol S. S. Gly- 

 cerinophosphate, a white powder, soluble in water, 

 containing 26-27 fo of phosphoric acid. S. Loreti- 

 nate (basic), Sr . I . O . C 9 H 4 N . S0 3 , fine, bright 

 needles, slightly soluble in water, decomposed at 300 

 C. S. Loretinate (normal), Sr(I . OH . C^N . - 

 S0 3 ),. H 3 0, orange-red, prismatic crystals, sparingly 

 soluble in water. S. Phosphate, Sr s (P0 4 ) 2 , a white 

 powder, devoid of taste, soluble in acids ; used as a 

 nutritive and tonic. Dose, 10-30 gr. (0.65-2 gm.). 

 S. Salicylate, Sr(C 7 H 5 3 ) 2 2H 2 0, white crystals sol- 

 uble in water; used in gout, chorea, etc. Dose, 

 10-40 gr. (0.65-2.6 gm.). 



Strophanthin. (See Illus. Diet.) S. Tannate, a 

 yellowish amorphous powder containing 59% of stro- 

 phanthin, soluble in water; used as a heart tonic. 

 Dose, T £j[r-sVg r - (0.00043-0.001 1 gm.). 



Strophantism {stro-fan' '-tizni). Poisoning from stro- 

 phanthin ; the symptoms resemble those of digitalism. 



Struma. (See Illus. Diet.) Strumae lipomatodes 

 aberratae renis, Grawitz's term for a group of new- 

 growths of the kidney, usually benign; but, at times, 

 serving as the foci of origin of malignant tumors. 

 Regarded by some pathologists as endotheliomata, by 

 others as adrenal rests (Cf. under Rest). Grawitz in- 

 cludes here: Renal adenoma (Klebs, Sabourin) ; 

 Alveolar renal adenoma (Weichselbaum and Green- 

 ish); Adenoma carcinomatodes renis (Klebs) ; Angi- 

 oma cavernosum renis ; Myxolipoma telangiectodes in- 

 capsulatum renis utrisque ; Myxoma lipomatodes 

 renis; Myxoma renis; Strumae suprarenales (Vir- 

 chow). 



Strumiprival, Strumiprivous {stru-mi-pri' -val, -vus) 

 [struma; privare, to deprive]. Deprived of the thy- 

 roid ; due to removal of the thyroid ; thyroprival. 



Strychnin. (See Illus. Diet.) Dose, ^"sV £ r - 

 (0.001 1-0.0033 gm. ). Dose, hypodermically in 

 chronic alcoholism, 0.003-0.006 gm. S. Acetate, 

 C 2i n 22 N 2 2 . CjHjO,, small white crystals soluble in 

 96 parts of water. Use and doses as the alkaloid. 



S. Arsenate, C 21 H, 2 N 2 2 . As 2 5 , a white crystalline 

 powder with bitter taste, soluble in 14 parts of cold 

 water, 5 parts of hot water. It is used as a tonic and 

 alterative in tuberculosis, malaria, etc. Dose, A- A 

 gr. (0.001-0.004 gm.). Hypodermically, 0.5^- in 

 liquid paraffin ; of this, 0.25-0.9 c.c. daily. S. Ar- 

 senite, (C 21 H 22 N 2 2 ) 2 As 2 3 , a white crystalline pow- 

 der, soluble in 10 parts of boiling water. It is tonic, 

 alterative, and antiperiodic. Dose, o. 001-0.004 gm.; 

 subcutaneous dose, 4-15 drops of a 0.5^ solution in 

 liquid paraffin. S. Bisaccharinate, S.-diorthosul- 

 famin-benzoate, used as the arsenite. S. Cam- 

 phorate, C 21 H 22 N 2 2 . C 10 H,gO 4 , small white crystals 

 or crystalline powder soluble in water, used as the al- 

 kaloid. S. Citrate, C 21 H 22 N 2 2 . C 6 H 8 0„ white 

 crystals, soluble in water ; usage and dosage as the 

 alkaloid. S. Ferricitrate, iron and strychnin citrate. 

 See Ferrum et Strychna citras (Illus. Diet.). S. 

 Hydrid, obtained by the action of metallic sodium on 

 strychnin in a boiling alcoholic solution and differing 

 in physiologic action from strychnin ; it may, therefore, 

 be used as a physiologic antidote in strychnin poison- 

 ing. S. Hydrobromate, C 21 H 22 N 2 2 . HBr, white 

 acicular crystals, soluble in 32 parts of water, used as 

 a tonic and sedative. Dose, -fa—j^ gr. (0.002-0. 005 

 gm.). S. Hydrochlorate, C 21 . H 22 N 2 2 . HC1 + 

 3H 2 0, white needles soluble in 50 parts of water at 

 22 C. Usage and doses as the alkaloid. S. Hy- 

 droiodate, C 21 H 22 N 2 2 . HI0 3 , white crystals soluble 

 in water. Used as the alkaloid. S. Hypophos- 

 phite, a white powder, used as a tonic in tuberculosis. 

 Dose, 3V- f? gr. (0.002-0.005 gm.). S. with Iron 

 and Quinin Citrate, iron and quinin citrate with 

 strychnin; greenish-brown transparent scales, soluble 

 in water, and containing 3-4/if of pure strychnin. It 

 is tonic and antiperiodic. Dose, 3-7 gr. (0.2-0.45 

 gm. ). S. Lactate, C 21 H 22 N 2 2 . C 3 H 6 3 , white crys- 

 talline powder, soluble in water. Usage and dosage 

 as the alkaloid. S. Nitrate, C 21 H 22 N 2 2 . NII0 3 , 

 silky needles, soluble in 50 parts of water, 60 parts of 

 alcohol, or 2 parts of boiling water or alcohol. Usage 

 and dosage as the alkaloid. S. Oleate, a mixture of 

 strychnin in oleic acid, soluble in ether and oleic acid ; 

 it is used in the external administration of strychnin. 

 S.-orthosulfaminbenzoate. See S. Saccharwate. 

 S. Phenolsulfate. See S. Sulfocarbolate. S. 

 Phosphate, (C 21 H 22 N 2 2 ) 2 H 3 PO< + 9H,0, a white 

 crystalline powder, soluble in water. Usage and 

 dosage as the alkaloid. S. Saccharinate, C 21 H 22 - 

 Nj0 2 .C 6 H 4 (S0 2 )(CO)NH, a true salt of strychnin 

 and saccharin ; a white sweet powder, used in all 

 cases where the alkaloid is indicated in doses one-third 

 larger. S. Salicylate, C 21 H 22 N 2 2 . C,1I 6 3 , white 

 powder soluble in water, recommended in rheumatism 

 and chorea. Dose, about the same as the alkaloid. 

 S. Sulfate, (C 2} H 22 N 2 2 )j . H,S0 4 + 5H 2 0, white, 

 odorless, very bitter prisms, which effloresce in dry 

 air ; soluble in 50 parts of water, 109 parts of alcohol, 

 2 parts of boiling water, or 8.5 parts of boiling alco- 

 hol ; melt at 200 C. The action differs but slightly 

 from the alkaloid. Dose, 0.002-0. 005 gm. S. Sul- 

 focarbolate, S. Sulfophenate, a white crystalline 

 powder, soluble in water or alcohol. S. and Zinc 

 Hydroiodate, C 21 H 22 N 2 O s . Ill . Znl„ small white 

 crystals, soluble in water. 



Strychnize (strik'-nlz). To bring under the influence 

 of strychnin. 



Strychnos {strik'-nos) [orpbxyoQ t the nightshade]. A 

 genus of the Loganiacea. S. icaja, Baill., found in 

 the Gaboon region, contains strychnin in the bark, 

 leaves, and root. From the stem the arrow-poison, 

 tarfa, toomba, M'boundou, n'caza, icaja, or akanga, is 



