PTB 



344 



PUB 



emetica, gm-&?&4 (L. 

 an incitement to vomit), the large 

 black striated Ipecacuanha, in- 

 ferior to true Ipecacuanha : P. 

 cephaelis, sef'-a-el'.is (Gr. kephale, 

 the head, their flowers being 

 disposed in heads) ; and P. 

 Eandia, rand'-i-a (after /. Rand, 

 a London botanist), species 

 which act so violently as to 

 produce poisonous effects. 



pteridographia, n., ter'-id-d-graf- 

 i-&, also pteridography, n., ^ 

 td-fyrfy-i (Gr. pttrte, the ferns ; 

 grapho, I write), a treatise on 

 Ferns. 



Pteris, n., Ur'-is (Gr. pterux, a 

 wing), an ornamental genus of 

 Ferns, so named in allusion to 

 the appearance of the leaves, Ord. 

 Filices : Pteris aquilina, ak'wil- 

 in'a (L. aquila, an eagle), the 

 well known bracken of this 

 country: P. esculenta, Zsk'-ul-ent'-d 

 (L. esculentus, fit for eating from 

 esca, food), a species occasionally 

 used as food in different 

 countries. 



Pterocarpus, n. , ter'-d-Mrp'-tis 

 (Gr. pt$r$n, a wing ; karpos, 

 fruit), a genus of plants, mostly 

 fine ornamental trees, Ord. 

 Leguminosse, Sub-ord. Papilion- 

 acese, so named from their pods 

 being girded with broad wings : 

 Pterocarpus erinaceus, gr-m-d- 

 tfc-tis (L. ermacZus, a hedgehog), 

 African Kino, used as a powerful 

 astringent : P. marsupium, mar- 

 sup'-i-um (L. marsupium, a 

 pouch, a purse), a tree of the 

 Indian forests yielding the con- 

 crete exudation called ' Kino ' : 

 P. santalinus, san'-tal-m'us (Ar. 

 zandal), yields the red sandal- 

 wood, used as a dye : ptero- 

 carpous, a., ter'd'hdrp'-us, having 

 winged fruit. 



Pteropoda, n., &r*#p#&4 (Gr. 

 pti&rtin, a wing ; pous, a foot, 

 podos, of a foot), a class of the 

 Mollusca which swim by means 

 of fins attached near the head : 



pteropodous, a., 

 wing-footed ; having a wing- 

 shaped expansion attached near 

 the head for swimming. 



pterygo, ftr'-ig-o (Gr. pterux, a 

 wing), a prefix denoting attach- 

 ment to, or connection with, 

 the pterygoid processes of the 

 sphenoid bone : pterygoid, a., 

 t&r'-ig-dyd (Gr. eidos, resem- 

 blance), in anat. t applied to the 

 wing-like processes of the sphen- 

 oid bone. 



ptosis, n., toz'is (Gr. ptosis, a 

 falling), paralysis of the upper 

 eyelid, which falls and covers the 

 eye, the patient being unable to 

 open the eye except by means of 

 his fingers. 



ptyalin, n., ti'-al-in (Gr. ptuZldn, 

 saliva), a ropy organic matter, 

 being the active principle of 

 saliva: ptyalism, n., tl'-al-lzm^ an 

 increased and involuntary flow of 

 saliva. 



puberty, n., pub'ert-i (L. pub- 

 ertas, the age of maturity from 

 pubes, of ripe age, the privy 

 parts), the age at which persona 

 are capable of begetting, or 

 bearing children ; maturity : 

 pubes, n., pub'ez, in anat. t the 

 external part where the generat- 

 ive organs are situated, which 

 at puberty begins to be covered 

 with hair : pubic, a., pub'-lk t 

 pert, to or connected with the 

 pubes : pubic arch, drtsh, the 

 bony arch formed over the con- 

 cave border of the pelvis : pubis 

 os, pub'-ls tis (L. pubis, the pubes, 

 or of the pubes ; os, a bone), 

 the pubic or share-bone, forming 

 part of the os innominatum : OS 

 symphysis, simf'-zs-is (Gr. sum- 

 phusis, a growing together), the 

 connection of the bones forming 

 the pubic arch : pubescence, n., 

 pub '$s' 8ns (L. pubescens, reaching 

 the age of puberty, ripening), 

 the state of puberty ; in bot. , the 

 downy substance on plants : 

 pubescent, a., pub>l&$rtf, arriving 



