558 



GLOSSARY 



Parotitis (Gr. para, beside, ous, ear, and itts, in- 

 flammation), inflammation nf the parotid gland. 



Paroxysm (Gr. para, beside, and oxt/s, .sharp), a fit 

 or suddun attack of pain or convulsion. 



Parturition (Lat. parturitio, parturirc, to briny 

 forth), the act of givinij birth to young. 



Patella (Lat., dim. oi patina, dl.sh), the knee-cap or 

 small sesamoid bone in front of the stifle (where the 

 thigh and leg bones articulate). 



Pathogenic (Gr. pathos, disease, and rjcnnan, to 

 beget). })rodueing disease. 



Pathognomy (Gr. pathos, disease, and gnome, a 

 sign), the science of the signs by which disease is 

 irecognized. 



Pathology (Gr. pathos, disease, and logos, discourse). 

 that branch of medical science which treats of the 

 moditicatitm of function and change of structure 

 ■ caused by disease. 



Pectin (Gr. pektikos, curdling), a vegetable body 

 found in all jilants. 



Pectineus (Lat. pcctcn, a comb), a muscle deeply 

 placed m the inner part of the thigh. 



Pelvis (Lat. pelvis, a basin), the bony cavity of the 

 posterior jiart of the trunk, in which are contained 

 the rectum, bladder, and genital organs. 



Pentadactylous (Gr. pente, five, and dakti/los, 

 finger), liaving five fingers. 



Pentastoma (Gr. pirate, five, and stoma, mouth), a 

 genus of worm-like parasites. 



Pepsin (Gr. pcpsis, digestion), the chief digestive 

 princii)le of the gastric juice. 



Peptone (Gr. picptcln, to digest), a product of the 

 action f)f the gastric juice on albuminous substances, 

 by which they are rendered soluble and capable of 

 being absorbed. 



Perforans (Lat. per, through; forare, to bore), ap- 

 plied to musc'les whose tendon jiasses between the 

 tendon of other muscles. 



Perforatus ( L. per, through ; forare, to bore), 

 ap|)!ied to muscles whose tendon is divided in 

 order to allow another tendon or structure to pass 

 through. 



Pericardium (Gr. peri, around, and kardia, the 

 heart), the membranous sac enclosing the heart. 



Perineum (Gr. pcrincon), that portion of the body 

 between the anus and the scrotum in the male, and 

 the anus and vagina in the female. 



Periosteotomy (Gr. peri, around, osteon, bone, and 

 ioinr, cutting), incision into the periosteum. 



Periosteum (Gr. jieri, around, and osteon, bone), a 

 fibrous meniljrane covering bones. 



Peristalsis (Gr. peri, around, and stalsis, con- 

 striction), the peculiar vermicular movement of the 

 intestines and other tubular organs carrying onwards 

 their contents. 



Peroneus (Gr. perone, the tongue of a buckle), a 

 muscle situated on the outer side of the tibia or leg 

 bone. 



Pes anserinus (Lat. pes, a foot; anser, a goose), a 

 ple.xus of nerves situated .on the outer side of the 

 face and resembling a goose's foot. 



Pessary (Gr. pessos, a pessary), an instrument 

 placed in the vagina to hold the uterus in position. 



Petechise (It. petecchie), a name for small round 

 blood-sjKits of a purple colour on the skin. 



Petrous ((Tr. prtra, a rock), stony, like a rock. 



Phagocytes (Gr. phar/ein, to eat, and ki/tos, cell), 

 cells which take up and digest the soluble parts of 

 various other cells, organisms, and e.xcretion products; 

 white blood-corpuscles. 



Phalangeal, j^ertaining to the phalanges. 

 Phalanx, jil. Phalanges (Gr. phalanx, one of the 

 bonps of the fingers or toes), in the horse, applied to 

 the large or small pastern, and the foot bone. 



Pharyngitis (Gr. pharynx; pharynx, and itis, in- 

 flamniati'iii), inflammation of the pharynx. 



Phimosis (Gr. phimo-im, to constrict), enclosure of 

 the penis within the prei^uce so that the glans penis 

 cannot be exposed. 



Phlebitis (Gr. jMeps, vein; itis, inflammation), in- 

 flammation of a vein. 



Phlegmatic (Gr. phlegmatikos. like phlegm), the' 

 same :us lymphatic, in the sense of sluggish or dull. 



Phrenic (Gr. pjliren, diaphragm), pertaining to the 

 diaphragm. 



Phthiriasis (Gr. jihtheir, a louse), lousiness, the lousy 

 disease. 



Pisiform (Lat. 2j/s»7», a pea; forma, form), re- 

 .sembling a pea in shape, applied to a small roimd 

 bone of the Icnee. 



Pityriasis (Gr. pityron, bran), a disease of the skin 

 characterized by the exfoliation of bran-like scales. 



Plantar (Lat. jilantaris, pAanta, sole of the foot), 

 pertaining to the sole of the foot. 



Plasma (Gr. plasvia, a thing formed or moulded), 

 the fluid ])art of the blood and lymph. 



Pneumogastric (Gr. pnetinion, lung, and gaster, 

 stomach), relating to the lungs and stomach. 



Polypus (Gr. pohjs, many, and po\is, foot), a tumour 

 found chiefly on mucous membranes, as the nose, 

 uteius. bladder, &c. 



Popliteus (Lat. poples, ham), the ham or hinder 

 part of the knee joint. 



Portal (Lat. porta, gate), relating to that part of 

 an organ through which the blood-vessels enter. 



Post partum (Lat. jiost, after; partxis, birth), fol- 

 lowing jtarturitiiju. 



Potential (Lat. potens, able), possible but not actual; 

 possessing powers not yet manifested in action or 

 effect. 



Predisposing (Lat. prac, before; disj>oncre, to dis- 

 pose), ajiplied to that condition of the body which 

 renders an animal especially liable to contract disease. 



Prehension (Lat. prehc^tdei'c, to seize), the act of 

 taking liold of or seizing. 



Premolar (Lat. p7*nf, before; viola, millstone), situ- 

 ated in front of the molar teeth. 



Prognosis (Gr. pro, before, and gnosis, knowledge), 

 an ojiinion of the course and termination of a disease 

 based upon a consideration of its symptoms. 



Prophylaxis (Gr. prophi/lasscin, to keep gtiard 

 before), prevention or warding off of disease. 



Prostate (Gr. prostates, prostate), the name of a 

 gland situated in front of the mouth of the bladder. 



Protagon (Gr. protos, first, and agein, to lead), a 

 crystalline substance discovered in nervous tissue. 



Proteid (Gr. protos, first), a general term for the 

 albuminous and albuminoid constituents of the or- 

 ganism. 



Protoplasm (Gr. protos, first ; jjlasma, . anything 

 formed or moulded), the slimy albinninoid material 

 resembling white of egg, constituting the basis of 

 living ]^lant or animal cells; living matter in its 

 simplest form. 



Protozoa (Gr. protos, first ; zoon, animal), the lowest 

 class of the animal kingdom, which consist of simple 

 cells or colonies of cells. 



Prurigo (Lat. prarirc, to itch), a chronic papular 

 inflammation of the skin attended with severe itching. 



Pseudoplasm (Gr. pseitdes, false, and jilasma, a 

 thing moulded), a new growth or tumour. 



Psoriasis (Gr. psora, the itch), a chrcuiic disease of 

 the skin, distinguished by the presence of white scales 

 on a red base ; dry tetter. 



Psorosperms (Gr. psora, the itch; spcrma, seed), a 

 name for the sporozoa. 



Pterygoid (Gr. ptcryx, wng; eidos, shape), wing- 

 shaped. 



