PASTERN 



1028 



PATHOGENIC 



parts ; fennel-seed, three parts ; to which, before 

 using, two parts of honey are added. 



Pastern [pas' -tern) [OF., pasturon, a shackle for a 

 horse at pasture]. That part of a horse's foot be- 

 tween the fetlock-joint and the coronet of the hoof. 

 P. -bone, either of the two proximal phalanges of a 

 horse's foot. P. -joint, the articulation between the 

 proximal phalanx (great pastern-bone) of the horse's 

 foot and the cannon-bone. 



Pasteur's Fluid or P.'s Liquid. An artificial liquid 

 for the cultivation of bacteria. They nourish in it, 

 but not so well as when proteid elements are also added. 

 It is composed of water loo parts, crystallized sugar 

 io parts, carbonate of ammonium and ashes of yeast, 

 each, I part. P.'s Method. I. See Pasteurizing. 2. 

 See Pasteurism. P., Microbe of. See Bacteria, 

 Synonymatic Table of. P.'s Oven. See Oven. 



Pasteuring {pas' -tur-ing) [after the PVench biologist, 

 Louis Pasteur~\. See Pasteurizing. 



Pasteurism {pas'-tur-izm) [after the French biologist, 

 Louis Pasteur]. Prophylactic or protective inocula- 

 tion ; a synonym for the word vaccination. 



Pasteurization {pas-tur-iz- a' -shun) [after the French 

 biologist, Louis Pasteur]. The preservation of or- 

 ganic fluids by the destruction of the contained fer- 

 ments or fungi through heating to 6o° or 70 C. 



Pasteurize (pas' -tur-lz) [after the French biologist, 

 Louis Pasteur]. To sterilize fermentable fluids, as 

 milk or cream, beer or wine, by heat. 



Pasteurizing {pas' -tur-i-zing) [after the French biolo- 

 gist, Louis Pasteur]. An important process employed 

 for the preservation and protection of wine and other 

 organic fluids against diseases. It consists in heating 

 the substance, either in casks or in bottles, to a tem- 

 perature of 6o° C, and then preserving it without 

 exposure to the air. 



Pastil, Pastille {pas' -til, pas-til') [dim. of pasta, paste 

 or confection]. A lozenge or similarly shaped mass 

 composed of aromatic substances and employed in fumi- 

 gation. Also, a troche or tablet of medicinal sub- 

 stance . 



Pastinaca {pas-tin-a' -kah) \_pastinare, to dig]. A 

 former genus of umbelliferous plants. P. sativa, 

 the common parsnip, formerly used as a diuretic and 

 as an antiperiodic. Unof. 



Pastophor {pas' -to- for) \jTaa-ofy6poQ, a shrine-bearer : 

 pi. , Pastophori]. A priest-physician ; a clan of 

 priests in Ancient Egypt who united the calling of 

 physician and priest. Thus the High Priest of Sais 

 bore the title of Chief of the Doctors. 



Pat [ME. , patten, to strike]. To tap ; to strike gently 

 with the fingers. 



Patagium (pat-a'-j'e-um) [iraTayeiov : pi. , Patagia]. I. 

 The flight-membrane of birds and bats ; also a congen- 

 ital malformation consisting in a fold of skin passing 

 from the thigh to the leg. 2. In biology, the expansion 

 of the skin of the trunk, limbs, and tail of flying mam- 

 mals or reptiles. Cf. Ectopatagium,Dactylopatagium. 



Patch (pack) [ME., pacche, patch]. An irregular spot 

 or area. Ps., Drab-colored, a name given by Macna- 

 mara to certain areas occurring in the livers of persons 

 who during life had been exposed to the influence of 

 a tropical climate. They are thought to be due to a 

 coagulative necrosis. P., Mucous. Same as Condy- 

 l una. Ps., Peyer's. See Glands, Peyer's. 



Patchouly (pa-choo'-le) [E. Ind.]. The labiate herb 

 Pogo.stemon patchouly, of India, much used in the East 

 as a perfume and insecticide. Unof. 



Pate {pat) [ME., pate, the crown of the head]. The 

 crown or top of the head. 



Patella {pat-el' -ah) [dim. of patina, dish]. The k'nee- 

 pan or rotula. The small, round sesamoid bone in 



front of the knee, in the tendon of the quadriceps ex- 

 tensor femoris muscle. 



Patellar {pat-el' -ar) [patella, dim. of patina, dish]. 

 Pertaining to the patella or knee-cap. P. Clonus. 

 Same as P. Reflex. P. Reflex, or P. Tendon-re- 

 flex. See Knee-jerk and Reflexes, Table of. 



Patellate {pat-el'-at) [patella, a patella]. Provided 

 with a patella. 



Patelliform {pat-el' -if orm) [ patella, patella ; forma, 

 form]. Having the shape of a patella. 



Patelline {pat'-el-in) [patella, patella]. Patelliform. 



Patellula ( pat-el' -u-lah) [dim. of patella, a pan: pi., 

 Patellula:]. In biology, applied to the suctorial fbs- 

 sets on the lower surface of the tarsi of some insects. 



Patellulate { pat-el' -u-lal). Same as Patellate. 



Patency {pa' -ten-se) [patere, to stand open]. Open- 

 ness (as of the foramen ovale in fetal life, and in some 

 cases of cyanopathy). 



Patent {pat' -ent, pa' -tent) [patere, to be open]. Open, 

 exposed. P. Glue. See Okie. P. Leather. See 

 Leather. P. Lint. See Lint. P. Medicine. See 

 Medicine. P. Yellow. Same as Cassel Yellow. 



Pateriform {pat'-er-iform) [patera, a. flat dish ; forma, 

 form]. In biology, saucer-shaped. 



Pathema {path-e'-mah) [nadr/fia; nddog, disease]. Any 

 disease or morbid condition. 



Pathematology {path-em-at-ol' -o-je). Same as Path- 



Pathengenetic {path-en-jen-ef -ik) [ndOoq, disease ; 

 kyyivijc, born in, native]. Induced by, or originating 

 in, a disease. P. Disease, a disease arising from, 

 or secondary to, another disease. 



Pathetic {path-et'-ik)[ira0qTui6(; ; izadoq, disease]. That 

 which appeals to or stirs the passions. P. Muscle. 

 See Obliquus superior, in Muscles, Table of. P. 

 Nerve. See Nerve. 



Pathetism {path'-et-izm) [naOog, disease]. A generic 

 term to express such conditions as hypnotism, tele- 

 pathy, clairvoyance, etc. 



Pathfinder {path' -fin- der) [ME., path, path ; ME., 

 finden, to find]. An instrument for finding the open- 

 ings of a urethral stricture. 



Pathic {path' -ik) [iradiicdc;, passive]. Diseased; path- 

 ologic; pertaining to a morbid condition. Also, one 

 who tolerates the commission of an unnatural crime 

 upon the person. 



Pathisotherapy {path-is-o-ther' -ap-e) [irafloc, dis 

 laoQ, equal; OEparrda, treatment]. Same as Isopathy. 



Pathoanatomic {path-o-an-at-om' -ik) [nddor, disi 

 ava-ofiij, a cutting up]. Pertaining to pathologic 

 anatomy. 



Pathoanatomy {path-o-an-af -o-me) [ivadoq, di- 

 avarojii], a cutting up]. Pathologic anatomy. 



Pathobiologic {path-o-bi-o-loj' -ik). Same as Path 



Pathobiologist {path-o-bi-ol' -o-jist). Same as Path- 

 ologist. 



Pathocratia {path- 0- kr a'- she -ah) [irdfloc, fee 

 upareeiv, to rule]. The control of the passions ; self- 

 restraint. 



Pathoctonus {path-ok' -to-nus) [nddog, passion . 

 vuv, to kill]. The killing of the appetites; sell- 

 restraint. 



Pathogene {path'- 0- jin) [Tradoc, disease: 



beget]. A disease-producing germ or principle. 



Pathogenesis {path - - /en'-es-is) [ndO< 



yiveatg, birth]. The origin and development ol dis- 

 ease. 



Pathogenic, Pathogenetic {path-o-jen'-ik, path-o-jen- 

 et'-ik) [ndtiog, disease ; yevvav, to beget]. Producing 

 disease. P. Microorganism, any one of the various 

 forms of microbic life which, when introduced into die 

 system, causes disease. 



