PHYTOPARASITIC 



1082 



PICRAMIC ACID 



atrog, a parasite]. In biology, a plant of parasitic 

 habit. See Epiphyte. 



Phytoparasitic (fi-to-par-as-it'-ik) [<pvr6v, plant ; ■zapa, 

 beside; airog, food]. Pertaining to phytoparasites. 



Phytopathologic (fi-to-path-o-lof '-ik) [cpvrov, plant ; 

 ndOog, disease ; ~A6yog, science]. Pertaining to phyto- 

 pathology. 



Phytopathologist (fi-to-path-ol'-o-jist) [<pvrov, plant; 

 ndOog, disease ; Myog, science]. One versed in 

 phytopathology. 



Phytopathology (fi - to -path - ol'- o -je) [(pvrov, plant ; 

 TrdOog, disease ; Adyog, science]. The science of 

 plant-disease, or of diseases due to vegetable organisms; 

 also, the science of the diseases of plants ; vegetable 

 pathology. 



Phytophagous (fi-toff' -ag-us) [(pvrdv, a plant ; <payelv, 

 to eat]. In biology, herbivorous ; feeding on plants. 



Phytophagy (fi-toff' ' -aj-e) [(pvrdv, a plant ; faytiv, to 

 eat]. The habit of feeding on plants. 



Phytophilous (fi-toff' -il-us) [tyvrdv, a plant ; fyiktlv, to 

 love]. In biology, applied to animals that are fond 

 of plants. 



Phytophysiology (fi-tofiz-e-ol' -o-je). Synonym of 

 Physiology, Vegetable. 



Phytoplasm (fi' -to-plazm) [<f>vr6v, plant; nAdo/ia, 

 plasma]. The vegetable protoplasm. 



Phytosis (fi-to'-sis) [(pvrov, plant ; voaog, disease : pi. , 

 Phytoses~\. I. Any disease due to the presence of 

 vegetable parasites. 2. The production of disease by 

 vegetable parasites. 3. The presence of vegetable 

 parasites. 



Phytosterin (fi-tos 1 '-ter-in) [(pvrdv, plant ; arepog, solid]. 

 A substance, present in plant-seeds and sprouts, very 

 similar to cholesterin. 



Phytotaxy (fi'-to-taks-e) [(pvrdv, plant ; ja£ic, order, 

 arrangement]. In biology, systematic botany. 



Phytotechny (fi'-to-tek-ne) [(pvrdv, plant ; rexvrj, art]. 

 Industrial botany. 



Phytotomous (fi - tot'- - mus) [(pvrdv, plant ; rd/uog, a 

 cutting]. In biology, leaf-cutting) or plant-cutting, 

 e. g., certain birds or insects. 



Phytotomy (fi-tof -o-rne) [(pvrdv, plant ; rojir), a cut- 

 ting]. The anatomy of plants. 



Phytovitellin (fi-to-vit-el'-in) [(pvrdv, plant ; vitellus, 

 yolk]. The vegetable analogue of vitellin. 



Phytozoaria (fi - to-zo - a'- re - ah) [(pvrdv, plant ; C£oi>, 

 animal]. Same as Infusoria. 



Phytozoon (fi-to-zo'-on) [(pvrdv, plant; t^&ov, animal]. 

 A plant-like animal ; a zoophyte. 



Pia (pi' -ah) [native Polynesian]. The plant Tacca 

 pinnatifida , from which a variety of arrowroot is pre- 

 pared ; it is said to be of special value in the treatment 

 of certain cases of diarrhea and dysentery. Unof. 



Pia, or, more fully, Pia Mater ( pe'-ah mah'-ter or pi'- 

 ah-ma'-ter) [L., "pious, or tender, mother."] The 

 vascular membrane, consisting of a plexus of blood- 

 vessels held by a fine areolar tissue, enveloping the 

 entire surface of the brain and spinal cord. It dips 

 into the fissures of the brain and forms the velum inter- 

 positum and the choroid plexus of the fourth ventricle. 

 P., Cerebral, the pia mater covering the brain. P., 

 External, that which covers the external portion of 

 the brain. P., Internal, that which passes into the 

 ventricles. P. intima, the inner layer of the spinal 

 pia mater. P., Spinal, the pia of the spinal cord. 

 P. of Testis. See Tunica. 



Pia-arachnitis (pi'-ah-ar-ak-ni'-tis) [pin, pia; apaxvr/, 

 spiders' web; trig, inflammation]. Inflammation of 

 the pia-arachnoid ; leptomeningitis. 



Pia-arachnoid ( pi' -ah-ar-ak' -noid) [pia, pia; apaxvr), 

 a spider's web ; ehfag, like]. The pia and arachnoid 

 considered as one structure. 



Pial (pi' al) [pia, pia]. Pertaining to the pia mater. 



Pialyn (pi'-al-in) [irlap, fat ; avelv, to split up or de- 

 compose]. An enzyme contained in both the pan- 

 creatic substance and fluid, which has not as yet been 

 isolated. It is capable of effecting a hydrolytic de- 

 composition of neutral fats into glycerin and free fattv 

 acids. It is most actively present in the substance of 

 the fresh gland or its secretion, and its activity is 

 greatest at about 40 C. 



Pia-matral (pi'-ah-ma'-tral). See Pial. 



Pian (pi' -an). See Frambesia. 



Pianists' Cramp. See Cramp. 



Piano-players' Cramp. See Cramp. 



Piarachnoid ( pi-ar-ak'-noid )[pia, pia; apaxvr], spiders' 

 web; eldog, like]. The pia mater and arachnoid con- 

 sidered as one membrane. 



Piarolytic (pi-ar-o-lit'-ik) [rrZap, fat ; Xvrinog, dissolv- 

 ing]. Forming emulsions with fat. 



Piarrhemia (pi-ar-e'-me-ah) [-lap, fat ; al/ia, blood]. 

 See Lipemia. 



Pica (pi'-kah) [L. , "magpie"]. The craving for un- 

 natural and strange articles of food ; a symptom present 

 in certain forms of insanity, in hysteria, and chlorosis, 

 and during pregnancy. 



Picacismus (pih-as-iz'-mus) \_pix, pitch]. Depilation 

 by means of pitch-plaster. 



Picamar (pik-am'-ah?-) \_pir, pitch; a via rns, bitter]. 

 A bitter, oily substance obtained in the distillation of 

 wood-tar. 



Picea (pi'-se-ah) [L. , the pitch-pine]. A genus of 

 coniferous trees. P. alba, the white spruce. P. 

 excelsa, the common fir or pitch-pine. It yields resin 

 and turpentine. P. nigra, the black spruce. P. vul- 

 garis. Synonym of P. excelsa. 



Picene (pi' -sen) [picea, the pitch-pine], C 22 H U . A 

 hydrocarbon formed by the distillation of lignite, coal- 

 tar and petroleum residues. It is very sparingly 

 soluble in most of the solvents, but most readily in 

 crude cumene ; it crystallizes in blue, fluorescent leaf- 

 lets, melting at 338 C. , and boiling at 519 C. 



Piceous (pish' -e-us) \_pix, pitch]. In biology, having 

 the nature of pitch. Viscous. Pitch-black ; black 

 with a faint reddish tinge. 



Pichi (pe'-che) [native Chilean]. The stems and 

 leaves of Fabiana imbricata, growing in Chile. It is 

 a terebinthin having tonic properties, and is of repute 

 in the treatment of catarrhal inflammations of the 

 genito-urinary tract. Dose of the fid. ext. 3 j ; of the 

 extract gr. v-x. Unof. 



Pick (pik) [ME.,/?V^«,topick]. To pluck with the 

 fingers; a symptom in certain typhoid states. 

 Carphology. 



Pick's Liniment. Linimenttim exsiccans : a liniment 

 used in the treatment of eczema. Its formuli 

 Tragacanth, 75 grains; glycerin, 30 minims ; 

 25 y z drams. It is of service in the dry forms 01 

 eczema. P.'s Salicylated Soap-plaster, a pn 

 tion used in the treatment of eczema. It is con:: 

 as follows: Emplast. saponis liq., 2)/ 2 ounces; olive- 

 oil. 5 drams. ; salicylic acid, 37 grains. It is a] 

 on strips of muslin. 



Picolin (pik'-o-lin) [picea, the pitch-pine ; oleum, oil], 

 C„H 7 N. Methyl-pyridin, a liquid alkaloid ; a product 

 of acroleln-ammonia. 



Picolinic Acid (pik-o-lin' -ik) [picea, the pitch-pine; 

 oleum, oil], C ti H 5 N0 2 . A monobasic acid made 

 from picolin and other pyridin-derivatives. 



Picotement (pe-kot'-mon(g)) [Fr.]. A pricking sensa- 

 tion ; tingling ; formication. 



Picra (pik' -rah). Same as Hiera ■ picra. 



Picraena (pih-rc'-nah). See Quassia. 



Picramic Acid (pik-ram' -ik) [rriKpdg, bitter; a»ip; 





