384 



GLOSSARY. 



Periostoid (.Pi,ri, around, Ostron, bon'-' 

 and old. of the nature of* Of the 

 nature-' of p>'riostfUin ; The sht-ath 

 of tnnnecth'v tissue around bones 

 excepting on articular surfaces. 



Peripheral iGr.I'iri, around and Ther- 

 ein, to carry, t Pertaining- to the P''- 

 ripher>"; The external boundary. 



retrirtcation ( Gr Petra, a stone and T..- 

 Facere. to make, ) Conversion into 

 a stone-lihe substance. 



PhajToeytic ( Cr.Phagein, to eat and Ku- 

 tos, cell. I Pertaining to a phago- 

 cyte, 



Phag:<K',vti(siH iGrPhagein. to eat. Ku- 

 tos, cell and osis. condition of. ) The 

 active functioning of phagocytes. A 

 blond cell that ingests and destroys 

 harmful matter in the tissues, ) 



Phlebolith (Gr.PhUbs. a vein and l.i- 

 thos, a stonc-.i A calculus or con- 

 cretion in a vtin. 



Phlegmonous ( Gr. Phlegmon e. phleg- 

 mon. ) Pertaining to phlegmon. ( An 

 Inrtammation characterized by the 

 spreading of purulent fluid in the 

 tissues. 



Phosphorescence ( Gr. Phosphoros. phos- 

 phorous, j The emission of light 

 without appreciable production of 

 heat. 



PhotoKenic (Grl'hotos. light and Gen- 

 naein, to i>roduce. ( Causing or pro- 

 ducing light. 



Physinloffy (Gr.Phusis, nature and l-^o- 

 gos. study.. I The study of the func- 

 tions of the organs of the living 

 body. 



Phytoparasite (Gr.Phutos. plant. Para, 

 near and Sitos, food. ) A parasite 

 vegetable organism. 



Pigmented (L.Pingere. to paint } A con- 

 ditir.n to deposition of coloring 

 matter in the tissues. 



Placental ( Gr.Plak(.us, a cake,) Per- 

 taining to the placenta. The organ 

 of the uterine wall to which the 

 foetus is attached and from which 

 it obtains its nourishment. 



Placentonia (Gr.Plakous, a cake and 

 Oma, a lumor. i A tumor composed 

 of placental tissue. 



Pleoniorphisni (GrPleon. more and 

 Orphe. form, i The state of having 

 more than one form, 



Plexifnrni iT^Plrxus, braiil and P'orma. 

 form, i Having the appearance or 

 slrueturi^' similar to a Ph.'.xus. (A 

 network of v.'RSt-ls.j 



PlumboHis I T..FMumbum, lead and osis. 

 a condition nf. j A condition of poi- 

 soning by or deposition of lead in 

 the tissues 



Pneumonokoniosis (Gr.Pneumon. lung 



and Kunia, dust. >sis a condition 

 of. ) A condition of chronic indura- 

 tion in the lung tissues due to the 



deposition of inhaled dust. 



Post-natal ilv.Post, after and Nansisci. 

 tc be born i Occuring after birth. 



Polar ( Gr.Polos. pole. ) Pertaining to a 

 pole. (Either extremity of an axis.) 



Polydacf.\lisni ( Gr Ptdus. many and 

 Dektulos, finger. ) The condition of 

 having many digits. 



1 ')l.'t'g<inal ( GrPolus, many and Gonos. 

 angle, ) Having many angles oi 

 sides ( Spoken of a surface. J 



PoI.^Iiedral (Gr.Polus, many and Hedra. 

 side, i Having many sides or sur- 

 faces (Spoken of a solid,} 



Polynierie (Gr.I*olus. many and Meros. 

 part,) Pertaining to the existence of 

 a large number of parts, 



Polyniorph4inucIear ( Gr.Polus. many. 

 :M orphe, form and L. Nucleus, nuc- 

 leus. ) Ha\-fng nuclei of many forms 



Potential (L, Potens. powerful ) Cap- 



able of doing work or of acting 



Predisposition (L.Prae, before, Dis 

 apart and Ponerc, to place.) The 

 condition of liability to acquire a 

 disease. 



Primitive CL. Primus, first > First In 

 point of time: Original. 



Progeny ( Gr.Pro, before and Gennaeln, 

 to produce, i Offspring or descend- 

 ents. 



Progressive (^L Pro. before and Gredi. 

 to step,.) Gradually advancing or 

 moving forward. 



Prolapse ( L.Pro, forward and Labi, to 

 slip. ) The falling downward or for- 

 ward of a part. 



Proliferate (T^.Pro, forward an Ferre, to 

 bear ) To form new tissue of the 

 same kind (usually excessive.) 



Prolific (.Tj.Pro, forward and Labi, to 

 slip ) The quality of bi.'ing able to 

 proliferate. 



Prophase (Gr.Pro, before and' Phasis, 

 phase.) The first stage in indirect 

 cell division (Mitosis.) 



Proteoses CGr.Protos, first. ) Substances 

 formed in gastric digestion and into 

 intermediate between a proteid and 

 a peptone. 



Protiiplasm (Gr.Protos, first and Plasso- 

 in. to mold. J The viscid, essential 

 substance of a living cell. 



Prototype (Gr, protos. first and Tupos, 

 type. } An original type, one after 

 which othei-s ari.' copied. 



Protozoa (Gr.Protos, first and Zoon, ani- 

 mal. ) A class of unicellular, animal 

 microorganisms. 



Pseudo n., l's<.'udo, false.) liaise. 



