

PROTRUSION 



1197 



PRURITUS 



Protrusion { pro-tru' -zhuti) [protrudere, to thrust for- 

 d]. The act of thrusting forward ; also the state 

 of being thrust forward. 

 Protrusor [pro -tru'-zor) [protrudere, to thrust for- 

 11. Anything protruded, or which protrudes. P. 

 labii inferioris, the corrugator muscle of the lower 

 lip. P. linguae. Synonym of Genio-glossus. See 

 :, Table of . 

 ^otuberance (pro-tu'-ber-ans) [protuberantia ; pro, 

 forward; tuber, a swelling]. A knob-like projecting part. 

 P., Annular. Synonym of Pons varolii. P., Cerebral: 

 I i. Synonym of Pons varolii. 2. The prominence 

 formed by the upper or anterior of the cerebral flex- 

 ures of the embryo. P., External Occipital, the 

 central prominence on the outer surface of the flat por- 

 , tion of the occipital bone. P., Frontal : I. The prom- 

 inence of the frontal bone. 2. The prominence formed 

 by the lower of the two flexures of the cephalic end 

 of the embryo. P., Inferior Maxillary, in the 

 embryo, a prominence formed on each side by a 

 division of the rirst pharyngeal arch, and representing 

 the rudiments of the lower jaw. P., Internal Occipi- 

 tal, a slight central prominence on the inner surface of 

 the tabular portion of the occipital bone. P., Lateral 

 Frontal, an elevation on either side of the frontal 

 prominence of the embryo. P., Mental. A syn- 

 onvm of Prominence, Mental. P., Natiform, the 

 nates of the corpora quadrigemina. P., Occipital. 

 j See P. , External Occipital, and P. , Internal Occipital. 

 P., Parietal, the eminence of the parietal bone, situ- 

 ated near the sagittal suture. P., Superior Maxil- 

 lary, a prominence formed on each side of the em- 

 bryo by a division of the first pharyngeal arch, 

 rotuberantia (pro-tu-ber-an' -she-ah) [L.]. Synonym 

 of Protuberance. P. basilaris, P. cerebralis. Syn- 

 f Pons. P. laryngea. Synonym of Pomum 

 adami. P. scleralis, a small prominence of the sclera 

 posteriorly, below the entrance of the optic nerve, 

 "otuberate | pro-tu'-ber-dt) [protuberare , to swell 

 out]. To swell, or become prominent, as the navel, 

 otureter { pro-tu-re'-ter) [-puroc, first; oipor/, urine]. 

 \ primitive ureter, or excretory duct of a protonephron. 

 otyle pro-ti'-le) [—puroc, first; v/jj, matter]. I. In 

 biology, the hpyothetic primal substance from which 

 i ill living matter is supposed to be derived; also 

 ailed biod, biogen, zoetker, psychoplasm. 2. Syn- 

 >nym of Methyl. 

 jotylic {pro-til' -ik) [-puroc, first ; v/.rj, matter], 

 i aining to or derived from protyl. 

 oud Flesh. A popular term for the sprouting of an 

 ' iflamed area ; granulations. Also, any fungous 

 rowth. 

 1 >van's Paste. A paste used in the treatment of 

 czema. Its formula is : Tragacanth and glycerin, 

 ich 4 drams; sodium borate, }4 dram; distilled 

 ater, a sufficient quantity. Apply during the day 

 id wash off at night. 

 I ventricular (pro - ven - trik' - u - lar) [ pro. before ; 

 ■ his, dim. of venter, stomach]. Pertaining to 

 i .e proventriculus. 



r ventriculus (pro - ven - trik' -u - lus) [pro, before ; 



'us, dim. of venter, stomach : //., Proventric- 



41. In biology : (a) the glandular or true stomach 



birds, between the crop and the gizzard ; (b) the 



1 "St stomach of an insect. 



F ximad (proks' - im - ad ) [ proximus, nearest]. 



>ward the proximal end or point of attachment. 



F ximal ( proks' -im-al ) [ proximus, next to]. Situated 



or nearest to the attached extremity of an appen- 



hus. the proximal end of the arm is at the 



; oulder. Proximal is also made to include central, 



by some writers. See the opposite, Distal; 



Per- 





also Position and Direction, Table of. P. Clot. See 

 Clot. 



Proximate ( proks' -im-at) [proximus, nearest]. Next; 

 immediate. P. Cause, the immediate cause of any 

 change. P. Principle, " any substance, whether 

 simple or compound, chemically speaking, which 

 exists under its own form, in the animal solid or 

 fluid, and which can be extracted by means which 

 do not alter or destroy its chemical properties." 

 (Dalton.) 



Proximen (proks' -im-en) [proximus, nearest]. Be- 

 longing to the proximal aspect in itself. 



Pruinescence (pru-in-es'-ens) [pruina, hoar-frost]. 

 In biology, the condition of being pruinose. 



Pruinose, Pruinous (pru' -in-bz, pru'-in-us) [pruina, 

 hoar-frost]. In biology, applied to leaves or other 

 organs that appear as if covered with hoar-frost. 



Prune (prilri) [prunum, a plum]. See Prunum and 

 Pigments, Conspectus of. P. -juice Expectoration, 

 a peculiar blood-containing sputum, of a dark purple 

 color, resembling prune-juice. It is met with in low 

 forms of croupous pneumonia, in gangrene and in 

 carcinoma of the lung. 



Prunella (pru-nel'-ah) [L., a disorder of the throat]. 

 I. Sore-throat. 2. Thrush. 3. Angina pectoris. 



Pruniform (pru'-niforni) [prunum, & plum ; forma, 

 form]. Plum-shaped ; having the appearance of a plum. 



Prunin (prun'-in) [prunus, plum-tree]. A solid sub- 

 stance, prepared by evaporating the tincture and pow- 

 dering the extract of Prunus virginiana. It is pale- 

 brown in color, and has a characteristic odor. It is 

 stimulant and expectorant. Dose 1 to 5 grains. 



Prunum (pru' -num) [L.]. Prune. The fruit of P. 

 domestica, native to \Y. Asia. It is laxative and nutri- 

 tious. Dose indefinite. 



Prunus (pru'-nus) [L.]. A genus of rosaceous trees. 

 P. virginiana. Wild cherry. In pharmacy , the 

 bark of Prunus serotina. It contains amygdalin. tan- 

 nic acid, emulsin, and a bitter extractive. Amygdalin 

 in watery solution with emulsin is decomposed into 

 hydrocyanic acid and a volatile oil. Wild cherry is 

 aromatic and feebly tonic ; it is largely used in pulmon - 

 ary tuberculosis to quiet the cough and to calm the 

 nervous system ; also in coughs of bronchitis. It is an 

 ingredient of various proprietary cough-mixtures. Dose 

 of the bark 3 ss-j ; of the fld. ext. 3 ss-j ; of a 4 per 

 cent, infusion ^ss-ij; of a 12 per cent, syrup 

 3j-iv. P. virginiana (true). See Choke Cherry. 



Prurient (pru'-re-ent) [prurire, to itch]. Itching; 

 sensual. 



Pruriginous (pru-rif -in -us) [prurire, to itch]. Per- 

 taining to or like prurigo. 



Prurigo (pru-ri'-go) [prurire, to itch]. I. A chronic 

 inflammatory skin-disease developing in childhood, 

 and characterized by an eruption of pale, discrete 

 papules, attended with severe itching. The papules 

 are at first of the size of hempseed, more easily felt 

 than seen, but soon become darker and covered by 

 crusts of blood or serum, due to scratching. The usual 

 sites are the extensor surfaces of the limbs. 2. Pru- 

 ritus, a. v. P. adolescentium. Synonym of P. 

 aestivalis. P. aestivalis, summer prurigo; a form 

 of relapsing bullous eruption allied to the vesicular 

 erythemata, and occurring in summer only. P. 

 agria, a ven.- severe form of prurigo. P. ferox, a 

 severe type of prurigo. P. mitis, a mild type of 

 prurigo. P. partialis, prurigo limited to a part of 

 the body. P. pediculosis, pruritus due to pedicu- 

 losis. 



Pruritic (pru-rif -ik) [prurire, to itch]. Itching. 



Pruritus ( pru-ri' -tus) [prurire, to itch]. An im- 

 portant neurosis of the skin, characterized by the 



