

SOFT 



1339 



SOLUBLE 



Soft [ME., soft, soft]. Yielding readily to pressure; 



not hard. S. Palate. See Palate 

 Softening [sof'-en-ing) [ME., soft, soft]. The act of 

 becoming less cohesive, firm, or resistant. S., Acute 

 Gastric, a disease of childhood in which the stomach 

 and intestines are said to undergo softening. It is 

 robably a post-mortem phenomenon. S., Anemic, 

 sintegration and liquefaction of the brain-substance 

 m lack of blood -supply. S. of the Bones, 

 teomalacia. S. of the Brain, a disease of the 

 rebral tissue dependent upon inflammation or blood- 

 lure, the symptoms varying according to the part 

 ected, but consisting in loss of function, partial 

 complete. According to the appearances present- 

 the softening has been distinguished as red, yellow, 

 white. See General Paralysis of the Insane. S. 

 lliquative, the name applied to that condition in 

 hich the affected tissues liquefy. S., Esophageal, 

 ftening of the lower portion of the esophagus due 

 the solvent action of the gastric juice. S. of the 

 eart, myomalacia cordis, a softening of the cardiac 

 uscle consequent on arterial anemia. S., Hemor- 

 agic, the softening of parts involved in a hemor- 

 S., Mucoid, myxomatous degeneration. S., 

 ed, or Yellow {of the brain), when hemorrhage 

 companies the ischemic softening, and the products 

 disintegration of the blood mingle with the nerve- 

 bstance, giving it a red or yellow hue. S. of the 

 pinal Cord, various stages in myelitis known by the 

 rms gray, green, red, while, and yellow softening. 

 . of the Stomach, gastromalacia, consequent upon 

 ighly acid contents with a feeble circulation in the 

 walls, but usually a post-mortem phenomenon. See 

 Auto-digestion. S. of a Thrombus, may be simple 

 or red, puriform or yellow, the latter resulting in the 

 extremely unfavorable condition of Thrombophlebitis . 

 S., White (of the brain), when the ischemia is un- 

 accompanied with hemorrhage. 

 Soil [ME., soile, soil]. The ground ; earth. S. -dis- 

 eases, those diseases produced by emanations from a 

 decomposing organic soil, or arising from imperfect 

 drainage of decaying animal matter. S.-pipe, the 

 main discharge-pipe of a system of house-plumbing ; 

 usually an upright, hollow cylinder of iron. 

 Sola (sc/la) [Beng.,^/a, the sola]. A plant of tropical 

 regions, .-Eschynomene aspera. Its pith-like wood is 

 largely manufactured into pith helmets, or sun-hats, 

 especially in India. 

 Solanidin (so-lan'-id-in). See Solanin. 

 Solanin (sol'- an -in) [solatium, the nightshade]. A 

 glucosid found in Bittersweet. It is composed of 

 sugar and another substance, solanidin. It is a poison- 

 ous narcotic. Dose gr. |^-iv. Unof. See Bittersweet. 

 Solanoid {sol' '-an-oid) [solanum, nightshade; eldog, 

 like]. Of a potato-like texture, as a solanoid car- 

 cinoma. 

 Solanum (so-la' -num) [L.]. A genus of the family of 

 Solanacecs. The tomato, potato, jurubeba, and black 

 htshade belong to this genus. See also Bitier- 

 >et. 

 (so'-lar) [solaris, of the sun]. Pertaining to or 

 mbling the sun. S. Ganglion. See Ganglia, 

 "able of S. Oil, an oily liquid produced from tar-oil 

 y rectification and employed as an illuminant. S. 

 Plexus. See Plexus. 

 Solarium so-la'-re-um) [solaris, solar; sol, sun]. A 

 room enclosed with glass, and arranged for the ad- 

 ministration of sun-baths. 

 Solayre's Obliquity. See Obliquity. 

 Soldaini's Reagent and Test. A reagent for testing 

 for sugar in the urine. It consists of a solution of 

 cupric carbonate in potassium dicarbonate. It is 



made by dropping into a saturated solution of potas- 

 sium dicarbonate iron water, very gradually and with 

 constant shaking, a saturated solution of cupric sul- 

 phate until it ceases to be redissolved ; filter, and pre- 

 serve in bottles. In testing add 2 c.c. to 4 c.c. of 

 urine and heat. A yellow precipitate indicates glu- 

 cose. 



Sole (sol) [ME., sole, sole]. The plantar surface of 

 the foot. S. -leather. See Leather. S. -plate, (a) 

 the name given by Boas to the palmar side of claws 

 and hoofs, as distinguished from the volar side (Sohlen- 

 horn) ; (b) the flattened nucleated mass of soft, 

 faintly granular protoplasm closely applied to the sur- 

 face of a voluntary muscle to receive the ultimate 

 fibriltae of the meduliated nerve -fibers composing its 

 motor supply. It forms part of the motor disc or end- 

 plate. S. -reflex. See Reflexes, Table of. 



Solea (scZ-le-ah). See Sole. 



Solearis (so-le-a' -ris). Synonym of Soleus. 



Solen {so'-len) [gu?.j)v, a channel]. I. A channel. 2. 

 The central canal of the spinal cord. 



Solenochalasis (so-len-o-kal-a' '-sis) [gv/jjv, channel ; 

 XatooriKoe, making supple]. Dilatation of a tubular 

 organ. 



Solenostegnosis (so-len-o-steg-no'-sis) [au/.r/v, a chan- 

 nel ; OTtyvooig, stenosis]. Constriction of a tubular 

 organ. 



Soleus (so-le'-us) . See Muscles, Table of. 



Solid (sol' -id) [solidus, solid]. A substance the mole- 

 cules of which are in a condition of strong mutual 

 attraction. S. Green. See Pigments, Conspectus of. 

 S. Ocular. See Ocular. S. Violet. Same as Gallo- 

 cyanin. 



Solidago (sol-id-a'-go) [solidus, solid : gen., Solidaginis~]. 

 Golden-rod, a genus of some 100 species of composite- 

 flowered plants, mostly American. S. odora is car- 

 minative, diaphoretic, stimulant, diuretic, and ant- 

 emetic. S. rigida is tonic and astringent. S. vir- 

 gaurea, of both continents, is astringent, tonic, and 

 vulnerary. 



Solidarity (sol-id ar' -it- e) [solidus, solid]. The unitary- 

 nature of the relations of the various parts of an organ- 

 ism, whereby all individual parts are subordinated to 

 the welfare of the whole. 



Solidification (sol- id- if- ik - a'- shun) [solidus, solid ; 

 facere, to make]. The act of becoming solid, or of 

 possessing molecular attraction. 



Solidism (sol' -id-izm) [solidus, solid]. The theory that 

 diseases depend upon alterations in the solids of the 

 body. 



Solidist (sol' -id-ist) [solidus, solid]. The name given to 

 one opposed to the doctrines of the humoralists. 



Solitarius (sol-it-a' -re-us) [L.]. Single, solitary. 



Solitary (sol'-it-a-re) [solitarius, solitary]. Marked by 

 solitude; single. S. Bundle, a strand of nerve-fibers 

 in the medulla. S. Follicles, certain minute glands 

 found in the mucous membrane of the intestines. S. 

 Glands. See Gland. S. Kidney, Rokitansky's 

 term for the single mass produced by the congenital fu- 

 sion of the two kidneys. 



Solium (so'-le-um). See Ta-nia solium. 



Solomon's Seal (sol'-o-monz-sil). The root of Conval- 

 laria polygonatum, a tonic, mucilaginous and slightly 

 astringent. It was formerly a popular domestic remedy 

 for rheumatism and gout, and is externally employed 

 in contusions. Dose of fid. ext. J{j-»j. Unof. 



Soluble (sol'-u-bl) [solubilis, soluble]. That which 

 may enter into solution. Capable of being dissolved. 

 S. Albumin. See Native Albumin. S. Blue. See 

 Pigments, Conspectus of. S. Eosin. See Pigments, 

 Conspectus of. S. Glass, the silicate of sodium, 

 potassium, or magnesium. A viscid liquid that hard- 



