PARAXYLORCINOL 



1023 



PARESTHESIC 



wood]. Paradimethylbenzene ; a hydrocarbon found 

 in xylol. 



Paraxylorcinol { par-aks-il-or'-sin-ol) [ izapa, beside; 

 , wood ; orcinof], C 8 H 10 O,. A crystalline body 

 melting at 163 C ; chemically, it is dihydroxylene. 



Parazoe {par-az-o'-e) \jrapa, beside; Zyov, animal]. A 

 di.-ease characterized by the presence of adult parasites. 



Parazygosis [par-az-i-go'-sis) [rrapd, beside ; i^vyelv, to 

 yoke]. The condition of a double monster in which 

 there is union of the trunks above the umbilicus. It 

 includes xiphopagus, thoracopagus, and pleuropagus. 



Parchment {parch* '-meni) [ME., parchement, parch- 

 ment]. See Leather. P. -crackling, the peculiar 

 sound elicited by pressure on the cranial bones in 

 children the subjects of rickets and congenital syphi- 

 lis. It is due to a localized hypertrophy of the bones. 

 P.-glue. See Glue. P.-induration, a form of 

 chancre, or primary lesion of syphilis, in which the 

 induration is parchment-like in feel. P. -skin. See 

 Xeroderma. 



Parcidentate ( par-sid-en' -tat) [ parens, sparing ; dens, 

 tooth]. In biology, having relatively few teeth. 



Parecceloma {par-ek-se-lo / -mah) [napa, beside; in, 

 out ; Koi'/s>q, hollow] . A cavity produced by disease. 



Pareccrisis {par-ek'-ris-is) \_~apd, aside; en, out; 

 r, to separate]. A disorder of a secretion. 



Parecious, Parcecious (par-e' '-she-us) [napa, beside; 

 oinoc, house]. In biology, having male and female 

 organs developed side by side. 



Parecism, Parcecism {par'-es-izm) [jrapd, beside ; 

 ohoc, house]. In biology, the state or condition of 

 being parecious. 



Parectama { pa-ek' -tam-ah). Synonym of Parectasis. 



Parectasis {par-ek'-tas-is) [irapd, beyond; EKraaiq, a 

 stretching out]. Excessive stretching or dilatation. 



Paregoric {par-e-gor' -ik) [—ap^opi/coc, consoling]. I. 

 Soothing, or assuaging. 2. A soothing remedy. P., 

 Elixir. See Opii, Tinct. , Camphorata. 



Pareia {par-i' -ah) [capita, cheek]. Cheek. 



Pareira ( par-a f -rah) [native Braz.]. The root of 

 Chondodendron tomentosum , a plant of South Amer- 

 ica. It is diuretic and laxative, and tonic to the 

 mucous membrane of the genitourinary organs. It 

 is valuable in cystitis, gonorrhea, and leukorrhea, and 

 is used internally and locally for the bites of poisonous 

 serpents, etc. P., Decoct. (B. P.) Dose Jj-ij- 

 P., Extract. (B. P.) Dose gr. x-xx. P., Ext., Fid. 

 Dose 3SS-3J. P., Ext., Liq. (B. P.) Dose 3 j— ij- 

 P., Infus, unof. Dose ^j-ij. P. brava. Synonym 

 of Pareira. 



Pareirin {par-a'-rin). See Pereirin. 



Parelectronomy ( par-e-lek-tron' '-o-me) \jrapa, beside; 

 if/KKzpov, amber; voftoc, law]. The electric condition 

 of a transverse section of a muscle and its tendon, com- 

 pared with that of the natural surface of the muscle. 

 The former is negative, the .latter positive. 

 Paremptosis {par-emp-to / -sis) [rrapd, beside ; eu—iTrrew, 

 to sink in]. I. Dislocation. 2. A form of amau- 

 ro-i-. 

 Parencephalis {par-en-sef'-al-is).' Synonym of Paren- 



cephalon. 

 Panencephalitis (par-en-sef-al-i' -tis) [xapd, beside ; 

 . brain; trie, inflammation]. Inflammation 

 of the parencephalon, or cerebellum. 

 Parencephalocele {par-en-sef'-al-o-sel) \_7rapa, beside ; 

 ja'/nc, brain; unit}, hernia]. Hernia of the par- 

 encephalon. 

 Parencephalon {par-en-sef -al-on) [irapa, beside ; 



. brain]. The cerebellum. 

 Parencephalus ( par - en - sef- al - us) [rrapd , beside ; 

 >a'/j)c, brain]. A congenital malformation of the 

 orain. 



Parenchyma {par-eng* -kim-ah) [irapd, beside ; tyxeiv, 

 to pour in]. In biology, soft cellular tissue, whether 

 of plants (pith, pulp of leaves, etc.), or of animals, as 

 the solid parts of a gland, any substance lying between 

 ducts, vessels or nerves, connective tissue, corpuscles 

 or amorphous matter. In physiology, the secreting or 

 functionating structure of an organ. P., Digesting, 

 a mass of stellate, branched cells representing the 

 alimentary canal in the so-called Acoela among platode 

 worms. Food enters this mass directly through the 

 mouth or esophagus. 

 Parenchymal {par-eng*' -kim-al) [—apiyxvua, paren- 

 chyma]. Pertaining to, or of the nature of, paren- 

 chyma. 

 Parenchymatic ( par-eng kim-at' -j£) [?rapey;ifvpa, V s1 ' 



enchyma]. Parenchymatous. 

 Parenchymatitis {par-eng-kim-at-i* -tis) [rrapd, beside ; 

 kyxeiv, to pour in ; irtg, inflammation]. Inflammation 

 of parenchyma. 

 Parenchymatous {par-eng-kim* -at-us, or par-eng-ki r - 

 mat-us) \izapd, beside ; iyx £LV > to pour in] . Pertaining 

 to, or having the nature of, parenchyma. P. In- 

 flammation, inflammation of the parenchyma, as dis- 

 tinguished from that of the interstitial tissue. In 

 reality there can be no inflammation of the par- 

 enchyma without the same process in the interstitial 

 tissue. 

 Parenchyme ( par-eng* '-him). Same as Parenchyma. 

 Parenchymepatitis (par-eng-kim-ep-at-i' -tis) [ irap- 

 tyxyua, parenchyma; Tj-ap, liver; itic, inflammation]. 

 Inflammation of the parenchyma of the liver. 

 Parenchymous (par-eng* -kim-us). Same as Paren- 

 chymatous. 

 Parenchymula {par-eng- kirn' -u- la h) [dim. of paren- 

 chyma : pi. , Parenchymuke\ Hyatt's name for the 

 embryonic stage immediately succeeding that of the 

 closed blastula. Synonym of Metschnikojf s Larva. 

 Parencranis {par-en-kra' -nis). Synonym of Cerebel- 

 lum. 

 Parent {par f -ent) [parens, a parent]. One who has 

 generated or produced ; a father or mother. P. -cell. 

 See Cytula, Mother-cell. P. -form, in biology, a 

 stock ; a parent of any kind. P. -hood, the state of 

 being a parent. P. -kernel, the nucleus of a parent- 

 cell ; a cytococcus. 

 Parepicele (par-ep / -is-el) \jrapa, beside ; i—i, upon ; 

 Koi/.nc, hollow] . The lateral recess of the epicele ex- 

 tending latero-ventrad. 

 Parepididymal {par-ep-id-id f -im-al) [;rapd, beside; 

 fcrf, upon ; Sidvfioq, the testes]. Pertaining to the 

 parepididymis. 

 Parepididymis {par-ep-id-id' -im-is). See Paradidy- 

 mis. 

 Parepithymia {par-ep-ith-i* -me-ah ) [ -apd, aside ; 

 e—i(h\uia, desire]. A morbid or depraved desire or 

 habit. 

 Parerethisis {par-er-eth'-is-is)\jzapa, beyond ; ipidi r eiv, 



to excite]. Abnormal excitement, or stimulus. 

 Paresis {par* -es-is) \jzapd, from ; ikvai, to let go]. I. 

 Slight paralysis ; partial loss of muscular power. 2. 

 Same as general paralysis. 

 Paresoanalgesia {par-es-o-an-al-je* '-ze-ah) \rrapa, be- 

 side ; irvat, to let go ; ava/.yrjaia , analgesia]. Paresis 

 with analgesia ; a symptom of Morvan's disease. 

 Paresthesia { par-es-the / -ze-ah) [rrapd, beside; aladriaig, 

 sensation]. Morbid or perverted sensation, as numb- 

 ness, formication, «' pins-and-needles. '' 

 Paresthesic (par-es-the'-zih) [-apd, beside; alcdijcuc^ 

 sensation]. Pertaining to paresthesia. P. Neurosis, 

 a peculiar neurosis, in which the patient complains of 

 paresthesia: as follows : gnawing, boring, " pins and 

 needles," sensations in the extremities, particularly 



