SYNECHIA 



523 



SYSTEM 



trunks, and bones, sometimes seen in cases of pulmo- 

 nary tuberculosis. 



Synechia. (See Illus. Diet.) S., Annular, S., Cir- 

 cular, exclusion of the pupil. S., Anterior, adhesion 

 between the iris and transparent cornea. S., Poste- 

 rior, adhesion between the iris and crystalline lens. 

 Syn., Ptosis diplopia. S., Total, adhesion of the en- 

 tire surface of the iris to the lens. 



Synechiotomy (sin-ek-e-ot / -o-me). See Synechotomy 

 (Illus. Diet.). 



Synectenterotomy (sin-ek-ten-tur-of '-o-me) [owixeiv, 

 to hold together; ivrepov, bowel; rouij, a cutting]. 

 The division of an intestinal adhesion. 



Synergistic. See Synergetic (Illus. Diet.). 



Synesis (sin'-e-sis) [oi-veaic, a coming together]. 

 Faculty of comprehension, intelligence, sagacity. 



Synetion. Synaetion (sin-e'-shun) [avv, together; alria, 

 cause]. A cause which cooperates with another to 

 produce disease. 



Syngenetic (sin-jen-et'-ii) [ovv, together ; yewav, to 

 produce]. Propagated by means of both parents. 



Synicesis. See Synizesis (Illus. Diet.). 



Synimensis (sinim-en'-sis). See Syndesmosis (Illus. 

 Diet.). 



Synosteophyte (sin-os* -te-o-fit) [civ, together; bcriov, 

 a bone; ovrov, a growth]. Congenital bony ankylosis. 

 Syu., Synostosis congenita. 



Synosteotome (sin-os' -te-o-tom). A knife for the dis- 

 section of joints. 



Synostology (sin-os-tol'-o-je). See Synosteology (Illus. 

 Diet.). 



Synostosis. (See Illus. Diet.) S. congenita. See 

 Synosteophyte. S., Tribasilar, shortening of the base 

 of the skull and consequent curvature of the basal parts 

 of the brain ; a c?use of imbecility. 



Synovialis (sin-o-ve-a^-lis). See Membrane, Synozial 

 (Illus. Diet). 



Synovitis. (See Illus. Diet.) S., Acute Suppura- 

 tive, a very acute purulent form of rheumatic or trau- 

 matic origin, leading to ankylosis. Syn., Pyarthrosis ; 

 ■ropyosis empyema articuli. S. hyperplastica, 

 S. hyperplastica granulosa, S. hyperplastica 

 laevis or pannosa, fungous arthritis. 



Synsarcosis. See Syssarcosis (Illus. Diet). 



Synteretics (sin-tur-et'-iks) [avvTtjfteiv, to watch 

 closely]. Hygiene. 



Synthetism (sin'-thet-izni) [ovvdeoic, a putting to- 

 gether]. The um of operations and means neces- 

 sary for reducing a fracture and holding the parts in 

 position. 



Synthol (sin'-t/iol). A chemically pure synthetic sub- 

 stitute for alcohol. It is colorless and nonirritant. 



Syntopic {sin-to f -pik) [avv, together; roiroc, place]. 

 Applied by ^Yaldeyer to a topographic description 

 which points out the relation of a part or organ to the 

 viscera or soft parts of the organism. 



Syntopy (sin'-to-pe). The relation of an organ or part 

 to the viscera of the organism. Cf. Holotopy ; Skele- 

 totopy ; Idiotipy. 



Syntoxoid (sin-toks'-oid) [air, together; to$ik6v, poi- 

 son ; e)Snc, likeness]. A toxoid having the same 

 affinity as toxin for antitoxin. 



Syntrophus (sin' -tro- fits) [a'vv, together ; rpo^c, a 

 nurse]. A congenital disease. 



Synulodynia (sin-u-lo-din'-e-ah) [avvoi "/.oxric, a scar- 

 ring over ; bdvvij, pain]. Pain in a cicatrix. 



Syphilicoma (sif-il-ik-of-mah) [syphilis; Ko/ietv, to 



take care of]. A hospital for syphilitics. 

 Syphilidologist. See Syphilologist. 

 Syphilin (sif ' -il-in). See Syphilitoxin. 

 Syphilis. (See Illus. Diet.) See Law, Colics' (Illus. 

 Diet.). See Signs, Demarauay's, Hutchinson' s 

 (Illus. Diet.), Kriso-a<ski's, Si lex' s, Wegner's. S. 

 d'emblee, the invasion of syphilis without a local 

 lesion. S. insontium, syphilis of the innocent. S.. 

 Justus' Blood-test in, this reaction depends upon 

 the presumption that in untreated cases of congenital 

 secondary and tertiary syphilis, a single dose of mercu- 

 ry, administered either by inunction or by subcutaneous 

 or intravenous injection, causes a hemoglobin loss of 

 from io'r to 20^ f within about 24 hours ; this abrupt 

 decline being followed within a few days by a rise in 

 the hemoglobin value to a somewhat higher figure than 

 that first observed before the drug was given. [Da- 

 Costa.] S., Pulmonary, a rare disease which is 

 either hereditary or follows the nitial attack after 

 from IO to 20 years or longer. Two forms may be 

 differentiated — a chronic interstitial indurative process 

 and a growth of gummas. [Lerch.] 

 Syphilitoxin (sif-il-e-tokS -in) [syphilis; tozikov, poi- 

 son]. The supposed specific virus of syphilis. 

 Syphilocerebrosis (si/-il-o-sere-bro / -sis). Syphilis 



affecting the brain. 



Syphilogenesis, Syphilogeny (sif-il-o-jen'-e-sis, sif-il- 



of-en-e) [syphilis ; jfridr, to produce]. The origin 



or development of syphilis. 



Syphiloid. (See Illus. Diet.) 2. Resembling syphilis. 



Syphilologist (sif-il-ol ' -o-jist) [syphilis; 'o^oc, 



science]. A specialist in the treatment of syphilis. 

 Syphiloma (sif-il-cZ-mah). A term introduced by Ernst 



Wagner as a substitute for gumma. 

 Syphilonthus (sif-ilon'-thus). See Svphicnthus 



(Illus. Diet.). 

 Syringenin (sir-in' -jenin) [syringa, a genus of shrubs]. 

 C ls Hj g 5 + H,0. A dissociation product of syringin 

 by action of dilute acids ; a clear, rose-red, amorphous 

 mass, soluble in alcohol, insoluble in water and ether. 

 Syringin. (See Illus. Diet. ) C K H„0 9 -f H,0, white, 

 tasteless, acicular crystals, soluble in alcohol and hot 

 water, boils at 191 C. It is antipyretic and antiperi- 

 odic ; used in malaria. Syn., Lilacin ; Ligustrin. 

 Syringious ( sir-in -je* -us) \pvptyf, a tube]. Fistulous. 

 Syringomelia. See Syringomyelia. 

 Syringomyelia. (See Illus. Diet. ) Syn., Myelosyrin- 

 gosis. S., Grasset-Rauzier's Type of, a form with 

 marked sudoral and vasomotor symptoms. S., 

 Schlesinger's Type of, the dorsolumbar type. 

 Syrup. I See Illus. Diet. > S., Dusart's, a prepara- 

 tion having for its chief ingredient ferric phosphate ; 

 the dose is % to 2 fl. dr. (2 to 8 c.c). 

 Syssomus (sis-y-mus) [nit; together; coma, body]. 

 A twin monster with separate heads but united trunks. 

 System. (See Illus. Diet.) S., Centimeter-gram- 

 second, the system based upon the use of the centi- 

 meter, gram, and second as units of length, mass, and 

 time respectively. S., Dowsing. See under Treat- 

 ment. S., Havers', the concentric arrangement of 

 the bony lamellas, usually eight or ten in number, 

 around a Haversian canal. S. of Medicine, Dog- 

 matic. See under Medicine. S.. Pedal, a gangli- 

 onic system of the brain. S., Portal. See under 

 Portal (Illus. Diet.). 



