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337 



PHI 



a leaf), another name for ' verna- 

 tion. ' 



prae-molars, n. plu., pre-mol'arz 

 (L. pre, before ; moldres, the 

 grinders), the molar teeth of 

 Mammals, which come after the 

 molars of the milk-set of teeth, 

 and occupy the same places ; the 

 bicuspid teeth in man : prae- 

 oesophageal, a. , situated in front 

 of the gullet : prsa-sternum, n., 

 the anterior portion of the breast- 

 bone, extending as far as the 

 point of articulation of the second 

 rib. 



praemorse, a., pre-mftrs' (L. prce- 

 mdrsus, bitten into from prce, 

 before ; mdrsus, bitten), in bot., 

 applied to a rhizome or root 

 terminating abruptly, as if 

 bitten off. 



Prangos, n., prang'- gos (a native 

 name), a genus of plants, Ord. 

 Umbelliferse : Prangos pabulari a, 

 pab r -ul-ar f >i'a (L. pdbuldrius, 

 belonging to pabulum, food for 

 man or beast), a plant of S. 

 Tartary, an excellent fodder for 

 cattle. 



pre, as in premolar, etc., see 

 under 'prse.' 



precordium, n., pre-hord'-i-urn, 

 precordia, n. plu., -i-d (L. prce, 

 before ; cor, the heart, cordis, of 

 the heart), the region of the 

 chest which lies in front of the 

 heart ; parts about the heart : 

 precordial, a., pre-kord'i-al, of 

 or relating to the precordia. 



preformative, a., pre-fdrm'-at-iv 

 (L. prce, before, in front ; Eng. 

 formative), in anat., applied to 

 the fine, pellucid, homogeneous 

 membrane which covers the 

 entire pulp of the tooth. 



prehensile, a., pre-hens'-il (L. 

 prehendo, I lay hold of, prehensus, 

 laid hold of), adapted for seizing 

 or laying hold, as the hands 

 in man, or the tails of some 

 monkeys: prehension, n., pre- 

 Mn'shun, a seizing or grasping, 

 as with the hand. 

 Y 



prepuce, n. , prep'us (F. prtpuce, 

 the prepuce ; L. prceputmm, the 

 foreskin), the membranous or 

 cutaneous fold covering the 'glans 

 penis ' ; the foreskin. 



presbyopia, n., pres'bt-op'-i-a (Gr. 

 presbus, old ; dps, the eye), a 

 defect of the eyesight, generally 

 met with in advanced life, in 

 which the lens is so flattened 

 that the near point of vision has 

 receded to beyond eight inches, 

 instead of being at three, as in 

 early life. 



prescription, n., prfrskrlptsh&n (L. 

 prce, before ; scriptus, written), 

 a written statement by a phys- 

 ician or surgeon, in which he 

 directs what medicine or medicines 

 are to be taken by a patient, the 

 dose, and how often. 



pressirostres, n. plu., pr$s'>%-rd*tl 

 rez(L. pressus, flattened; rostrum, 

 a beak), a group of the grallator- 

 ial birds, having a compressed or 

 flattened beak : pressirostral, a., 

 -rtJstfral, pert. to. 



prevertebral, a., pre-vert'-Zb-ral 

 (L. prce, before ; Eng. vertebral), 

 situated immediately in front of 

 the vertebrae. 



prickles, n. plu., prWkh (Dut. 

 prik, a stab or prick ; low Ger. 

 prikken, to pick or stick), in bot. , 

 sharp conical elevations of the 

 epidermis, of a nature similar to 

 hairs. 



primary, a., prim'-ar-i (L. primus, 

 the first), first in place, rank, or 

 importance ; in bot., applied to 

 the principal division of any 

 organ : primaries, n. plu., prim'- 

 dr-iz, the stiff feathers or quills 

 in the last joint of the wing of a 

 bird : primine, n., prim'-m, the 

 first or outermost covering of an 

 ovule. 



primordial, a., prim-ctrd'-i-al (L. 

 primdrdium, first beginning 

 from primus, first ; ordior, I 

 commence), elementary; original, 

 in bot., earliest formed ; applied 

 to the first true leaves given off 



