

PERIPYEMIA 



1051 



PERISTOME 



Peripyemia (per-ip-i-e* -me-ah) [~tpi. around ; Trior, 

 pus; a\ua, blood]. Suppuration about an organ or 

 tissue. 



Peripylephlebitis (per-ip-i-le-fleb-i' -tis) \jzzpi, around ; 

 .gate, porta; o/.iy, vein; trig, inflammation]. 

 Inflammation of the tissues surrounding the portal 

 vein, or of its ectal coat. 



Perirectal (per-ir-ek'-lal) \_~tpi, around ; rectum, rec- 

 tum]. Surrounding the rectum. 



Perirenal yper-ir-e'-nal) [jrep/, around ; ren, kidney]. 

 Around the kidney. 



Perirhinal (per-ir-i'-nal) [irepi, around ; pig, nose]. 

 Situated about the nose or nasal fossae. 



Perirrhepsis (per-ir-eps' -is) \_-EptppeTretv, to slip to one 

 side]. The slipping of a bandage from its proper place. 



Peris (pe / -ris) [rrz/pa,-]. Vagina; scrotum; perineum. 



Perisalpingitis (per-is-al-pin-ji' -tis) [~epi r around ; 

 tube;tnc, inflammation]. Inflammation of 

 the peritoneal covering of the oviduct. 



Perisalpinx (per-is-al'-pingks) [~epi, around; ca/.-rz, 

 tube]. The peritoneum covering the upper border of 

 the fallopian tube. 



Perisarc ( per'-is-ark) \jrepi, around ; Gaps, flesh]. In 

 biology, the chitinous sheath or horny exoskeleton of 

 a hydrozoan polyp. 



Perisarcoma (per-is-ar-ko' '-mah). Same as Rhinoscle- 

 roma. 



Perisarcous (per- is-ar'- kus) [irepi, around; odpg, 

 flesh]. In biology, consisting of perisarc ; having 

 the character or function of perisarc. 



Periscopic {per-is-kop / -ik) [rrepi, around ; (Tkotteiv, to 

 see]. Applied to lenses having a concave surface 

 upon one side and a convex upon the other, either 

 having the smaller radius of curvature, so that the lens 

 may as a whole be positive or negative (concavo-con- 

 vex, or convexo-concave) ; it is called, also, meniscus. 

 The object of such lenses is to eliminate spheric aberra- 

 tion, and allow the observer to look more obliquely 

 through them. P. Ocular. See Ocular. 



Periscopism (per'-is-ko-pizm) [~ep : , around ; gko-eIv, 

 to see] . The power or faculty of periscopic vision. 



Periscythismus ( per-is-si-thiz'-mus) \_-tpi, around; 

 he skull]. Scalping, — an old operation for 

 headache. 



Perisialdochitis (per-is-si-al-do-ki' '-(is) [_~epi, around ; 

 aia/Mv, saliva ; do^eiov, holder ; inc, inflammation]. In- 

 flammation of connective tissue around Stenson*s duct. 



Perisigmoiditis (per-is-ig-moi-di' -tis) [rrepi, around ; 

 a, the letter c ; dfioc, like; inc, inflammation]. 

 Inflammation of the tissues, especially the peritoneum, 

 covering the sigmoid flexure of the colon. 



Perisinusitis { per-e-si-nu-si' -tis) [~tpi, around; sinus, 

 a curve, fold ; itlc, inflammation]. Inflammation 

 about a cerebral sinus. 



Perisoma ( p:r-is-o'-mah) [^epi, around ; cuua, body : 

 pi, Perisomata\ In biology, the body-wall of an 

 echinoderm. 



Perisomatic (per-is-o-mat'-ik) \_rrepi, around: auua, 

 body] . In biology, of or pertaining to the body- wall 

 of an echinoderm. P. Plates, portions of the coria- 

 ceous or calcareous exoskeleton of an echinoderm. 



Perisome f per'-is-dm). Same as Perisoma. 



Perisomial (per-is-o'-me-al). Same as Perisomatic. 



Perisperm (per / -is-perm) [rrep!., around; arrepua, the 

 seed]. In biology, the albumin of a seed outside the 

 embryo-sac. 



Perispermatitis (per-is-per-mat-i'-tis) \jznpi, around ; 

 seed; inc, inflammation]. Inflammation 

 around the spermatic cord, with an effusion of fluid ; 

 a funicular hydrocele. 



Perispermic (per-is-per'-mik) [rrep't, around; crreppa, 

 seed]. In biology, characterized by perisperm. 



Perisphalsis (per-is-fal'-sis). Synonym of Circumduc- 

 tion. 



Perispheric (per - is - fer' - ik) [~ep/, around; aodipa, 

 sphere]. Having the form of a ball ; globular. 



Perisphinxis (per-is-fnks'-is) \_~epi, around ; apiy-ic, 

 constriction]. Ligation. 



Perisplenic (per -is -plen'- ik) \_~epi, around; c-'f.rjv, 

 spleen] . Situated or occurring near the spleen. 



Perisplenitis (per-is-ple-ni' -tis) [_~cpi, around ; c-'/.ijv, 

 spleen; trie, inflammation]. Inflammation of the 

 serous or peritoneal coat of the spleen. 



Perispore [per'-is-por) \_~epi, around; a-opoq, seed]. 

 In biology, the limiting membrane of a spore. 



Perissad (per-is'-ad) \_-zpiao~6q, odd, not even]. Any 

 atom orelement of uneven quantivalence, e.g., nitrogen, 

 capable of grasping three or rive, boron three, and 

 chlorin one, monad atom. In biology, a perisso- 

 dactyl. 



Perissodactyl (per-is-o - dak' -til) [ -epiacoq, beyond 

 the regular number, odd ; da.KTv'/,oq, finger ] . In 

 biology, an odd-toed quadruped ; a member of well- 

 defined groups of ungulate mammals, the only living 

 representatives of which are the tapirs, rhinoceroses, 

 and horses, which are but the surviving remnants of a 

 very extensive and much varied assemblage of animals 

 which flourished during the tertiary period. 



Perissodactylous (per-is-o-dak'-til-us) [^epicooc, odd; 

 SctKTv'/.og, digit]. Resembling a perissodactyl. 



Perissoma (per-is-o' -mah) \_-epico6g, odd, superfluous ; 

 dfia, tumor]. An excretion. 



Peristalsis (per-is-tal'-sis) [rrepi, around; cra7.cic, con- 

 striction]. The peculiar movements of the intestine 

 and other tubular organs, consisting in a vermicular 

 shortening and narrowing of the tube, thus propelling 

 the contents onward. It is due to the successive 

 contractions of bundles of longitudinal and circular 

 muscular fibers. See Antiperistalsis, ^peristalsis, 

 Dysperistalsis , Euperistalsis. P., Reversed, peris- 

 taltic movement opposite to the normal direction. 



Peristaltic (per-is-tal f -tik) [~ep/, around; orakaiq, con- 

 striction]. Pertaining to or resembling peristalsis. 

 P. Movements, vermicular movements of hollow 

 viscera. P. Unrest, an extremely common and dis- 

 tressing symptom of neurasthenia. It consists of in- 

 creased peristaltic movements of the stomach coming 

 on shortly after eating, with borborygmi and gurgling. 

 P. Wave, the wave produced by the rapid advance 

 of the peristaltic movements. 



Peristaphyleus (per-is-taf-il-e' -us) [rrepi, around ; trra- 

 &v'/.i/, uvula]. A muscle connected with the uvula. 

 P. extemus, P. inferior, the abductor of the Eus- 

 tachian tube. P. internus, P. superior, the levator 

 palati. See Muscles, Table of. 



Peristapbyline ( per-is-taf'-il-in) \mpi, about ; arapv/.ij, 

 uvula]. Pertaining to or situated near the uvula. 



Peristaphylo-pharyngeus (per-is-taf '-il-o-far-iit-jc' '- 

 us) \_-epi, around ; araov'/.ij, uvula ; odpv}~, pharynx]. 

 The palato - pharyngeus muscle. See Muscles y 

 Table of. 



Peristem (per'-is-tem). An abbreviation of Perimeri- 

 stem. 



Peristethium ( per-is-te' '-the-um) [~epi, around ; arnfhc, 

 the breast : //. , Peri$tethia\ See Mesesterman. 



Peristole ( per-is'-lo-le) \Ktpurr6Mf\. Peristalsis. 



Peristoma (per-is'-to-mah). See Peristome. 



Peristomal (per -is - to*- mal) \_~epi, around; crropa, 

 mouth]. Surrounding the mouth. 



Peristomatic ( per-is-to-mat'-ik) \_~tpl, around ; GTo/ua, 

 mouth]. In biology, pertaining to the peristome. 



Peristome (per'- is- torn) [— ep/, around; ardfta, the 

 mouth]. In biology : (a) the parietal region surround- 

 ing the mouth, as the oral disc of a polyp ; (b) the 



