ROLFINKED 



456 



RUBRESCIN 



of the middle third of the anterior band, it will locate 

 the lower end of the fissure of Roland. 



Rolfinked (rol-finkd'). Dissected; term used in 1629 

 by the peasants of Jena and neighborhood in their 

 terror at the possibility of having the corpses dug up 

 and dissected — as the result of the public dissections 

 made by the anatomist Rolfink. Cf. Burking. 



Rollet, Stroma of. See under Stroma. 



Rongeur (rdn-sher). A gouge forceps. 



Rbntgenism (rent / -gen-izm) \_Wilhelm Konrad Ront- 

 geti, a German physician]. The application of the 

 x-rays in therapeutics. 



Rontograph {rent'-o-graf). Synonym of Skiagram. 



Rbntography (rent-og' '-raf-e). Synonym of Skiagraphy. 



Rophetic (ro-fet'-ik) [ptxpz/T/Kog, given to supping up]. 

 A mechanic absorbent agent, as a dusting-powder, 

 sponge, etc. 



Rosa. (See Illus. Diet.) Synonym of Erysipelas. 

 R. asturica, R. asturiensis, pellagra. R. saltans, 

 urticaria. 



Rosacea. (See Illus. Diet.) R. pustulosa, erythema 

 accompanied by the formation of pustules. Syn., 

 Acne pustulosa. 



Rosaginin (ro-saj '-in-in) \_rosago, the oleander]. A 

 glucosid contained in Nerium oleander, L. 



Rosalia (i-o-sa'-le-ali). 1. Scarlatina. 2. Measles. 

 3. Erythema. 



Rosanilin. (See Illus. Diet.) R. Acetate, R. Hydro- 

 chlorate, C 19 H 26 N 3 C10 4 -(- C 20 H 28 N 3 GO 4 , medicinal 

 fuchsin prepared without arsenic. See Fuchsin (Illus. 

 Diet.). 



Rosaurin [ro-saw' '-rin). See Acid, Rosolic. 



Rose Spots. See under Spot. 



Rosein [i^-se-in). See Fuchsin (Illus. Diet.). 



Rosella (ro-seP-ah). See Rubeola (Illus. Diet. ). 



Roseola. (See Illus. Diet.) Fr. roseole, rosace, feu 

 rouge. Ger. Feuermasern, Wiebeln. R. acnosa, 

 acne rosacea. R., Iodic, the form of iodin rash which 

 is red in color. R. ficosa. See Sycosis (Illus. Diet.). 

 R. punctata, a variety characterized by minute red 

 spots. R., Trousseau's, rubeola; rotheln. R. 

 variolosa, Rayer's name for a rash sometimes observed 

 on the face in the prodromic stage of smallpox, appear- 

 ing first as clear red spots from the size of a lentil to 

 that of the finger-nail. Syn., Erythema 7'ariolosa. 



Roseoles a verre bleu. Faint syphilides discovered by 

 means of cobalt glasses worn close to the eyes before 

 they are revealed to the naked eye. 



Roset, Rosette. (See Illus. Diet.) 2. A congery of 

 celis from the neuroepithelial layer of the retina de- 

 scribed by Wintersteiner as a characteristic of glioma 

 of the retina. They correspond to the external limit- 

 ing membrane of the retina, with rudimentary rods 

 and cones projecting into the central cavity. 



Rosolio. (See Illus. Diet.) R. fersa, measles. 



Rostrum. (See Illus. Diet.) R. externum, R. pos- 

 terius, the olecranon. R. lacerti [lizard' s-beak, so 

 called on account of its shape], a surgical instrument 

 of the sixteenth century used to extract balls which 

 had been flattened or embedded in bone. R. olecrani, 

 the beak-like end of the olecranon. R. porcinum, 

 the acromion. R. sphenoidale, the median keel-like 

 ridge on the inferior aspect of the body of the sphenoid 

 which is received in the upper grooved border of the 

 vomer. Syn., Processus tuygos; Beak of the sphe- 

 noid. 



Rot. (See Illus. Diet.) R., Black, of grapes, a dis- 

 ease of grapes due to the pyrenomycetic fungus, Las- 

 tadia bidivellii, Kllis. R., Brown, a disease of pota- 

 toes, tomatoes, and egg-plant characterized by wilting 

 and turning brown, caused by Bacillus solanacearuin, 

 E. F. Smith. R., White, of Carrots, a white rot 



attacking the crown of the carrot and penetrating to 

 the root. It is caused by Bacillus carotovorus, Jones. 



Rotacism. See Rhotacism (Illus. Diet.). 



Rotation. (See Illus. Diet.) 3. In dentistry, the 

 operation by which a tooth is turned or twisted into its 

 normal position. R., Wheel, of Helmholtz, the tilt- 

 ing of the vertical meridians of the eye. Syn., Decli- 

 nation (Stevens) ; Torsion. Ger. Raddrehung. 



Rotatory Power. See under Power. 



Rotoin (ro'-to-in) \roto, the Japanese name for Scopolio 

 japonica~\. The base or mixture (?) of bases, from 

 Scopolio japonica, Maxim. 



Rottlerin (rot / -ler-in). C 22 H 20 O 6 . A bitter principle 

 from kamala, Mallotus philippinensis, Mull. ; a reddish- 

 brown crystalline powder, soluble in ether, boiling 

 alcohol, acetic acid, or alkaline solutions, melts at 200 

 C. It is used as an anthelmintic. Syn., Kamalin ; 

 Mallotoxm. 



Rotulian (ro-lu'-le-an). See Rotular (Illus. Diet.). 



Rouge. (See Illus. Diet.) R. badois, a red pigment 

 obtained from the stem of Sorghum vulgare, Pers., used 

 as a dye for wool. 



Rouget's Motorial End-plates. See Motorial End- 

 plate (Illus. Diet.). 



Rough-on-Rats. A proprietary rat-poison, a mixture 

 of arsenious oxid with barium carbonate. 



Rouleau (ru-lo) [Fr. a roll; pi. rouleaux'}. Applied 

 to the arrangement of the red blood-corpuscles when 

 drawn from the system, forming cylindric rolls like 

 piles of coin. 



Roup. (See Illus. Diet.) It is due to Bacillus cacos- 

 mus, Harrison and Street. R., Diphtheric, a con- 

 tagious disease of fowls which first affects the mucosa 

 of the nasal passages, the eyes, the mouth and pharynx, 

 and which may extend to the trachea, bronchi and the 

 intestines. The disease is characterized by a grayish- 

 yellow fibrinous exudate (false membrane) which forms 

 on the mucosa of the parts mentioned. 



Routinist (roo-te' '-nist) [OF. routine, dim. of route, a 

 beaten path]. A physician who does not deviate in 

 his treatment from an unvarying routine. 



Rubeola. (See Illus. Diet.) R. germanica, R. 

 spuria. See Rube/la (Illus. Diet.). 



Rubeolin (ru-be'-ol-in) [rubeus, red]. Farr's name for 

 the specific toxin of measles. 



Rubiadin, Rubiadipin, Rubiafin, Rubiagin, Rubian, 

 Rubianin, Rubiretin. See Figments, Conspectus of 

 (Illus. Diet.). 



Rubian {ru'-be-an). See Xanthin, in Figments, Con- 

 spectus o/" (vegetable) (Illus. Diet.). 



Rubidium. (See Illus. Diet.) R. Chlorate, RbCIO,, 

 small crystals, soluble in water, used as a heart stimu- 

 lant. Dose, 5 gr. (0.32 gm. ). R. Iodid, Rbl, white 

 cubic crystals, soluble in water; used as an alterative. 

 It has action identical with that of potassium iodid, but 

 does not derange the stomach. Dose, I -5 gr. (0.065- 

 0.32 gm.). R. Sulfate, Rb 2 S0 4 , rhombic crystals 

 soluble in water and used as a cathartic. R. Tartrate, 

 RbCTIjOj, colorless crystals, soluble in water, used 

 as a sedative and antiepileptic. Dose, 3-5 gr. (0.2- 

 0.32 gm.). 



Rubinat (ru'-bin-al). A natural bitter water found in 

 Spain containing sodium sulfate with small amounts of 

 sulfates of potassium, calcium, and magnesium, sodium 

 chlorid, and silicates of iron and aluminium. 



Rubitin (rub'-it-iu). A proprietary preparation said to 

 consist of menthol, ether, camphor, soap, laurel oil, 

 and oil of rosemary. It is applied by friction. 



Rubor. (See Illus. Diet.) R., Regional, isolated spots 

 which become red, with elevation of temperature, ob- 

 served after local cyanosis. 



Rubrescin (rn-bres'-in). Rosenfeld and Silber's name 



