RETINOPHOTOSCOPY 



453 



RHINENCHVSIS 



Retinophotoscopy [ret-in-o-fo-tos' -ko-pe). See Retinos- 

 : (Illus. Diet.). 



Retinoskioscopy [ret-in-o-ski-o^ -ko-pe). See Retinos- 

 copy (Illus. Diet.). 



Retroanteroamnesia \re-tro-an-ter-o-am-ne , -ze-ak). 

 See Retroanterograde Amnesia (Illus. Diet. ). 



Retroauricular (re-lro-au/-rik / -u-lar). Dorsad of the 

 auricle of the ear or of the heart. 



Retrocecal (re-tro-se'-kal). Pertaining to the back of 

 the cecum. 



Retrocognition (re-tro-kog-nish' -tin) [retro, back; 

 cognoscere, to know]. Knowledge of the past super- 

 normally acquired. 



Retrocolic (re-tro-ko'-lik). Behind the colen. 



Retrocollis (re-tro-kol'-is) [retro, back ; collis, the 

 nape of the neck]. Torticollis. 



Retrojector (re-tro-jek 1 '-tor) [retro, back ; jacere, to 

 throw]. An instrument for washing out the uterus. 



Retromastoid (re-tro-mas'-loid). Behind the mastoid. 



Retropharynx (re-tro-far^-inks). The posterior por- 

 tion of the pharynx. 



Retroplacental [re-tro-pla-senf '-at). Dorsad of the 

 placenta. 



Retroversioflexion {re-tro-vur-se-o-flek* -shun). Com- 

 bined retroversion and retroflexion. 



Retroversion {re-tro-vur'-shun) [retro, back; vertere, 

 to turn]. A turning backward of a part or organ. 



Reunient (re-uti J '-yent) [re, again ; unire, to unite]. 

 Uniting divided parts. 



Reuniol (re-un'-e-ol) [Reunion, an island in the Indian 

 Ocean; oleum, oil]. A proprietary substitute for attar 

 of rose, said to be derived from Algerine, French and 

 Reunion geranium oil. It resists oxidation and has the 

 perfume of the tea rose. It is soluble in alcohol, fats, 

 and fixed oils. 



Revellent [re-vet '-ent) [re, again ; vellere, to pluck, to 

 pull]. See Revulsive (Illus. Diet.). 



Reversion. (See Illus. Diet) 4. The chemical ac- 

 tion opposed to inversion ( the hydrolytic cleavage 

 of compound sugars into monosaccharids) whereby 

 monosaccharids are condensed into complicated carbo- 

 hydrates. R., Neogenetic, the anomalous adult de- 

 velopment of an embryonic rudiment. R., Paleo- 

 genetic, reversion to an atavus so remote that the 

 rudiment is not even represented in the embryo. 



Rhagoid (rag / -oid) [pai;, a grape; e}6oc, likeness]. 

 Resembling a grape. 



Rhamnase (raw'-naz). An enzyme found in the seeds 

 of R/iamnus infectoria, L. It acts upon xanthorham- 

 nin, producing rhamnetin and isodulcite. 



Rhamnin. (See Illus. Diet.) 2. A fluid extract of 

 cascara sagrada ; it is recommended in the treatment 

 of obstinate constipation. 



Rhatany. (See Illus. Diet.) R.-red, C^H^O^, a pig- 

 ment obtained by Grabowsky, 1867, from Krameria 

 triandra, R. et P. 



Rhax (raks) [puij, a grape]. A genus of spider-like 

 arachnoids of the family Solpugidie. R. furiosa, 

 Ehren., a poisonous species of Arabia. R. melana, 

 a poisonous species of Egypt. 



Rheostat. (See Illus. Diet. ) R.. Carbon. See R., 

 Graphite. R., Fluid. See R., Water \ Illus. Diet.). 

 R., Graphite, an electric resistance apparatus in which 

 graphite or carbonaceous material is used so as to admit 

 of gradual or extensive variations of current, e. g., the 

 Rudisch graphite pencil rheostat, or the Velter carbon 

 rheostat. R., Velter. See under R., Graphite. R., 

 Wire, a resistance coil. 



Rheotachygraphy (reo-tak-ig / -ra/-e) [piov, current; 

 raxis, swift ; ypabeiv, to write]. The registration 

 of the curve of variation in electromotive action of 

 muscles. 



Rheotome. (See Illus. Diet.) R., Differential, one 

 for indicating the negative variation in muscle cur- 

 rents. 



Rhestocythemia, Rhsestocythaemia {re-sto-si-the'-me- 

 ah) [ptua-oq, destroyed ; kitoc, cell ; atua, blood]. 

 The presence of broken-down erythrocytes in the 

 blood. 



Rheumacilate [ru-mas* -il-at). Synthetic methyl 

 salicylate. 



Rheumagon {riS-ma-gon) [pti -ua, a flux ; ajf/r, to carry 

 off]. A proprietary analgesic used in gout and syph- 

 ilis, said to be a fluid preparation of sodium iodid and 

 sodium phosphate. Dose, ) 2 dram, 3 times daily. 



Rheumatin 1 >u' -mat-in). See Saloaum/u salicylate. 



Rheumatisant {ru-mat'-is-ant). One affected with 

 rehumatism. 



Rheumatism, Rheumatismus. (See Illus. Diet.) 

 R. abdominis, rheumatism of the muscles of the 

 abdomen, celiorrheuma. R., Besnier's, simple 

 chronic circular rheumatism ; chronic arthrosynovitis. 

 R. brachii, rheumatism of the arm. R. cancrosus, 

 face-ache, prosopalgia. R., Capsular. See R., Mc- 

 Leod's. R., Chronic, R., Crippling, osteoarthritis. 

 R. cruris, rheumatism of the leg. R., Deltoid, 

 muscular rheumatism limited to the deltoid muscle. 

 R. extremitatum, rheumatism affecting the hands and 

 feet. R. faciei, rheumadsm of the face. R. febrilis, 

 dengue. R., Fibrous, chronic rheumadsm affecting 

 chiefly the fibrous structures around the joints. R. 

 frigidus, R. habitualis, R. inveteratus, R. longus. 

 chronic rheumatism. R., Inflammatory, acute ar- 

 ticular rheumatism. See Rheumatism (Illus. Diet.). 

 R. larvatus, marked rheumatism. R., Lead. R.. 

 Metallic, the rheumatic pains incident to lead poison- 

 ing. R., McLeod's Capsular, rheumatoid arthritis 

 attended with considerable effusion into the synovial 

 sacs, sheaths, and bursas. R. partialis, local rheuma- 

 tism. R. phlegmonodes. See R. , Muscular (Illus. 

 Diet.). R. spurius nervosus, neuralgia. R., Syn- 

 ovial, a rheumatic disorder of the synovial membranes 

 with serous accumulation. R. universalis febrilis, 

 acute rheumatism. 



Rheumatismoid {rumat-iz' '-moid). See Rheumatoid 

 (Illus. Diet.). 



Rheumatosis ( ru-mat-o* 'sis) [peiua, flux]. The con- 

 dition due to the action of poisons in the blood affect- 

 ing the articular and endocardial parts. 



Rheumatospasm (ru-mat'-o-sfazm) [psiua, flux; 

 o-aouoc, spasm]. Spasms due to rheumatism. 



Rheumodontalgia {ru-mo-don-tal' -je-ah) [pfiua, flux; 

 oJoir, tooth; a'/.]oc, pain]. Toothache of rheumatic 

 origin. 



Rheumorchitis {ru-mor-ki'-tis). Orchitis of rheumatic 

 origin. 



Rheumotorrhea > u-mo-tor-e f -ah) [pevua, flux ; otor- 

 rhea]. Rheumatic otorrhea. 



Rhinalgin (ri-nat'-jin). A nasal suppository, recom- 

 mended in coryza, said to contain cacao butter, 1 gm. ; 

 alumnol, O.oi gm. ; menthol, 0.025 gm.; and oil of 

 valerian, 0.025 S™- 



Rhinanthin \i i-nan'-t/iin ). f^H O {?) A glucosid 

 found bv Ludwig in the seeds of Rhinanthus major, 

 Ehrb. 



Rhinanthogenin (ri-nan-thof en-in) . CjjHjpOj . A 

 dissociation product of rhinanthin. 



Rhinanthus (ri-nan / -thus) [pic, the nose; avdog, 

 flower]. A genus of the Scrophularinea:. R. major, 

 Ehrb., a species of Europe, has poisonous seeds used 

 as an insecticide ; they contain rhinanthin. 



Rhinedema. Rhincedema ( ri-ne-de'-mah) [pic, nose ; 

 edema - ]. Edema affecting the nose. 



Rhinenchysis (ri-nen'-ki-sis) [p/f, nose; iyjpSr t to 



