PERIENCEPHALOMENINGITIS 



408 



PERISPONDYLITIS 



Periencephalomeningitis ( per-e-en-sef-al-o-men-in- 

 ji'-tis). See Periencephalitis (Illus. Diet.). 



Periendothelioma (per-e-en-do-the-le-cZ-mah). Borr- 

 mann's name for a tumor originating in the endothelium 

 of the lymphatics and the perithelium of the blood- 

 vessels. 



Periepithelioma (per-e-ep-e-the-le-o'-mah). A tumor 

 originating in the vascular epithelium; i. e., the endo- 

 thelium lining the bloodvessels or lymphatics. 



Perifistular {per-e-fis f -tu-lar). Around a fistula. 



Perifolliculitis. (See Illus. Diet.) P. abscedens. 

 See Furunculosis (Illus. Diet.). P., Necrotic, a 

 disease of the skin follicles, characterized by a primary 

 nodular induration, followed by ulceration, the ulcers 

 being deep with the edges irregularly sinuous, indurated 

 and steep. 



Periglandulitis {per-e-gland-u-li'-tis). Inflammation 

 of the tissues about a small gland. 



Periherniary, Perihernious ( per-e-hur'-ne-a-re, -ne- 

 us). Applied to tissue immediately about a hernia. 



Perihysteric (per-e-his-ter'-ik) [irepi, around ; vcrepa, 

 the womb]. Around the uterus ; periuterine. 



Perikaryon [per'e-kar'-e-on) [i^epi, around; napvov, a 

 nut]. The cytoplasm of a neuron. 



Perikaryoplasm [per-e-kar , -e-o-plazm) \_pepi, around; 

 napvov, nut; TTAaaua, anything formed]. A term ap- 

 plied by Chamberlain (1898) to a granular zone giving 

 rise to kinoplastic fibers in the pollen mother-cells of 

 Cobea scandens, Cav. 



Perimadarous ( per-e-mad f -ar-us) \r:spi, around; pad- 

 apoc, bald]. Applied to a spreading ulcer with the 

 epiderm peeling off before its advance. 



Perimastitis {per-e-mast-i'-tis). Inflammation of the 

 connective tissue surrounding the mammary gland. 



Perimetrosalpingitis ( per-e-met-ro-sal-pin- ji'-tis ). 

 Pozzi's collective name for periuterine inflammation, 

 including perimetritis, parametritis, pelveo-peritonitis, 

 etc. 



Perimyoendocarditis ( per-e-mi-o-en-do-kar-di / -tis). 

 Combined pericarditis, myocarditis, and endocarditis. 



Perimysium. (See Illus. Diet.) P. externum, the 

 epimysium. P. internum, the endomysium. 



Perineocolporectomyomectomy ( per-in-e-o-kol-po- 

 rek-to-mi-ome/Z-to-me). Excision of a myoma by in- 

 cision of the perineum, vagina, and rectum. 



Perineoscrotal {per-in-e-o-skro' -tal). Relating to the 

 perineum and scrotum. 



Perineovaginal ( per-in-e-o-vaj'-in-al). Relating to 

 the perineum and vagina. 



Perineovaginorectal ( per-in-e-o-vaj-in-o-rek f -tal). 



Relating to the perineum, vagina, and rectum. 



Perinephros ( per-e-nef'-ros) \_~epi, around ; vecf>p6s, 

 kidney]. See Perinephrium (Illus. Diet.). 



Perineurium. (See Illus. Diet.) Syn., Indumentum 

 nervorum; Involucrum nervorum; Membranula 

 nervorum. P. internum. See A r euroglia (Illus. 

 Diet). 



Periodate ( pur-i'-o-dat). A salt of periodic acid. 



Periodocasein ( pur-i-o-do-ka f -sc-in). A proprietary 

 compound of iodin and casein, used in myxedema. 



Periodology { pc-rc-od-ol '-o-jc') [n-fp/ofSoc, period; 

 Myoc, science]. The sum of what is known concern- 

 ing the tendency of certain diseases and morbid phe- 

 nomena to recur at stated periods. 



Periomphacous {per-e-om'-fak-us) [nepi, around; 

 bptyanutiw, like unripe grapes]. Immature, unripe; 

 applied to abscesses. 



Perion {per' -eon) [irtpi, around; uov, egg]. The 

 decidua. 



Perionychium (per-e-on-ik'-e-um) \jrtp'i, around; bw!-, 

 nail]. The border of epiderm at the root of the 

 nail. 



Perioophoric ( per-e-o-of '-or-ik) \_nepi, around; uocpopog, 

 bearing eggs]. Periuterine. 



Perioophorosalpingitis (per-e-o-of-or-o-sal-pin-ji'-tis) 

 [7rsp/, around; uocpo/m^, bearing eggs; aaAmy^, tube]. 

 Inflammation of the tissues surrounding the ovary and 

 oviduct. 



Periophthalmic (per-e-of-thal'-mik). Around the eye. 



Periople {per-c-op'-le') \xepi, around; oka/'/, a hoof]. 

 The bands of horny matter which run obliquely inward 

 from the heel of a horse's foot, including the frog be- 

 tween them. Syn., Bar; Coronary frog band; 

 Perioplic band. 



Perioplic (per-e-op'-lik). Relating to the periople. P. 

 Bands. See Periople. 



Periorchitis. (See Illus. Diet.) P. prolifera, 

 Kocher's name for periorchitis associated with prolifer- 

 ation of the connective-tissue elements of the tunica 

 albuginea. 



Periost (per'-e-ost). Same as Periosteum. 



Periosteomedullitis, Periostomedullitis. See Peri- 

 osteo-osteomyelitis (Illus. Diet.). 



Periosteosis. (See Illus. Diet.) 2. See Periosteoma 

 (Illus. Diet.). 3. The formation of a tumor of the 

 periosteum. 



Periosteotome ( per-e-os-te' -o-tovi) \Tzzpi, around ; 00- 

 teov, bone; ripvecv, to cut]. An instrument for 

 dividing and lifting the periosteum from a bone. 



Periostosteitis, Periostitis (per-e-ost-os-te-i' '-tis, per- 

 e-ost-i'tis). Simultaneous periostitis and osteitis. 



Periovaritis ( per-e-o-var-i f -tis). See Perioophoritis. 



Peripheraphose (per-if-ur-ah'-fos). See under Phose. 



Peripherocentral ( per-if-ur-o-sen' -tral). Relating to 

 the center and also to the periphery. 



Peripherophose ( per-if'-tir-o-fos). See under Phose. 



Periplast. (See Illus. Diet. ) 3. The attraction-sphere. 

 P., Daughter, the centrosome. 



Periploca {per-ip f -lo-kd\ [ttc/t', around; irtetaiv, to 

 twine]. A genus of plants of the order Asclepidacea:. 

 P. graeca, L., milk vine or silk vine, a European 

 species naturalized in western New York. The leaves 

 are used as an emollient ; the milky juice has been 

 used to poison animals ; the bark contains a glucosid, 

 periplocin. 



Periplocin ( pe>-ip / -lo-sin). C. J0 H 4g O 12 . A crystalline 

 glucosid obtained from the bark of Periploca graca, 

 L.; melts at 205 C, soluble in alcohol, insoluble in 

 ether. It is a powerful cardiac poison; used sub- 

 cutaneously in heart-disease. Max. daily dose, ^ T gr. 



Peripneumonia. (See Illus. Diet.) Until the time 

 of Bichat, 1771-1802, pleurisy, pneumonia, and bron- 

 chitis were confounded under this term. 2. Pleuro- 

 pneumonia. 



Peripsoitis (per-e-so-i'-tis). See Psoitis (Illus. Diet. ). 



Perirectitis (per-e-rek-ti'-tis). See Periproctitis (Illus. 

 Diet.). 



Perirrigation (per-ir-e-ga'-shun). See Perri^ation 

 (Illus. Diet.). 



Perisalpingoovaritis (per-e-sal-pin-go-o-va-ri'-tis). 

 See Perioophorosalpingitis. 



Periscelis ( per-is'-M-is) [irrp'i, around ; ant? or, leg]. 

 Herpes occurring around the leg where the garter 

 binds it. 



Periscleritis ( per-e-skle-ri f -tis). See Episcleritis (Illus. 

 Diet.). 



Perisinal, Perisinous, Perisinuous {per-e-si'-val,- 

 •ma, per-e-sin' '-11-us). Surrounding a sinus. 



Perisinuitis, Perisinusitis (pere-si-nu-i'-tis, -si'-tis). 

 Inflammation of the tissue about a sinus. 



Perispondylitis ( pcr-c-spon-dil-i'-tis) [irepi, around; 

 ox6vAv?o<;, a vertebra]. Inflammation of the tissues 

 around a vertebra. P., Gibney's, a painful condition 

 of the muscles of the spine. 



