Lovick Pierce Anthony.

A dictionary of dental science: consisting of words and phrases used in ... online

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protein formed by the action of
pepsin on albumins during gastric
digestion.

pep^to-nize. To digest with pepsin.

pep-to-nu^ria (Gr. peptein^ to digest +
ouron, urine). The condition in
which peptones are found in the
urine.

per- (L., through). A prefix indicating
through or very.

per anum. Latin meaning through or
by the anus,

per'co-late (L. percolarCf to strain). 1.
To strain. To submit to percola-
tion. 2. The liquid resulting from
the process of percolation.

per-co-la'tion (L. percolare^ to strain).

. The act of extracting the soluble
parts of a drug by allowing a liquid
solvent to trickle slowly through it.

per^co-la-tor. A vessel used in the
process of percolation.

per contiguum. Latin phrase meaning
contiguous or in contiguity.

per continuum. Latin phrase meaning
continuums; mthout a break.

per-cus^sion (L. per^ through + cutere,
to strike) . The act of striking short,
sharp blows in an endeavor to diag-
nose the condition of the underlying
parts by means of the sound from the
blows.

per-fo-ra'tion (L. perforare, to pierce
through). The act of boring or
piercing into or through a part.

per^gen-ol. Trade name of a prepara-
tion of hydrogen peroxid.

per-hy'drol. Trade name of a prepara-
tion of hydrogen peroxid.

peri- (Gr. peri, around). A prefix
meaning around.

per-i-ad-e-ni'tis (Gr. peri^ around +
adenj a gland + itiSj infiammation).
Inflammation of the tissues around
a gland.

per-i-ap^i-cal (Gr. peri^ around + L.
apex J the end). Relating to the
area around the apex of a tooth.

per-i-ar-tic^u-lar (Gr. peri, around + L.
articulus, a joint). Located around a
joint.



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PERIAXIAL



219



PERIODONTITIS



per-i-ax'i-al (Gr. peri, around + axorif
axis). Located around an axis.

perl-blast (Gr. periy around + blastos^
germ). The substance immediately
surrounding the nucleus of a cell.

per-i-car-di'tis (Gr. periy around +
kardia, heart + itiSy inflammation).
Inflammation of the membranous sac
surrounding the heart.

per-i-car'di-um (Gr. peri, around +
kardiay heart). The membranous
sac inclosing the heart.

per-i-ce-men'tal. Relating to the peri-
cementum of a tooth.

per-i-ce-men-ti^tis (Gr. peri, aroimd +
L. coementumy cement -f- Gr. itiSy
inflammation) . Inflammation of the
pericementum of a tooth.
phagedenic p. An inflammation
of the pericemental membrane ac-
companied by destruction of the
membrane and the alveolar walls.

per-i-ee-men-to-cla^sia (pericementum
+ klassein. to break down). The
breaking aown of the pericemental
tissues.

per-i-ce-men^tom (Gr. periy around +
L. ccBmentuniy cement). The tissue
immediately surrounding the cemen-
tum of the tooth, and between the
cementum and the alveolar process.
It is also called peridental membrauey
periodontal membraney periodontiuniy
dental periosteuniy and alveolodental
membrane,

per-i-chon^dri-um (Gr. periy around +
chondroSy cartilage). The membran-
ous covering of cartilage.

pe-ri-cla'sia. A shortening for sake of
convenience of periodontoclasia.

per-i-den^tal (Gr. periy around + L.
denSy a tooth). Relating to the
tissues around the tooth.
p. anesthesia. See anesthesia.
p. membrane. The tissue situated
between the cementum of the tooth
and the alveolar process.

per-i-gas^tric (Gr. periy around +
gasteTy stomach). Located around
the stomach.

per-i-glot^tic (Gr. periy around +
glottay the tongue). Located around
the tongue.

per-i-glot'tis (Gr. periy around +
glotta. the tongue). The mucous
memorane of the tongue.



per-i-ne'al.

neum.



Relating to the peri-



per-i-neph^ric (Gr. periy around +
nephros, kidney). Located around
the kidney. .

per-i-neph-ri'tis (Gr. periy around +
nephrosy kidney + itiSy inflamma-
tion). Inflammation of the peri-
toneal covering of the kidney.

per-i-neph^ri-um (Gr. periy around +
nephroSy kidney). The peritoneal
covering of the kidney.

per-i-ne'um (Gr. perinaioriy perineum).
The space between the anus and the
external genital organs.

per-i-neu^ral, per-i-neu'ri-al. Relat-
ing to the perineurium.
p. anesthesia (Gr. periy aroimd +
neurony nerve). See anesthesia.

per-i-neu-ri^tis (Gr. periy around +
neurony rerve + itiSy inflammation).
Inflammation of the perineurium.

per-i-neu'ri-um (Gr. periy aroimd +
neuron, a nerve). The connective
tissue sheath inclosing a bundle of
nerve fibers.

per-i-nn^cle-ar (Gr. periy around + L.
nucleuSy a nut). Located around a
nucleus.

pe-ri-odlc (Gr. periy aroimd + hodosy
way). Recurring at more or less
regular intervals.

pe-ri-o-dic'i-ty. Recurrence at regular
intervals.

per-i-o-don^tal (Gr. periy around +
odousy tooth). Surrounding a tooth.
p. membrane. The thin connective
tissue with extensive vascular and
nervous systems which intervenes
between the external surface of the
cementum of teeth and the lamina
dura of the bone of their alveolar
sockets. [Hopewell-Smith.] Called
also the alveolodental periosteum;
alveolodental ligament; root mem-
brane; peridental membrane and
dental periosteum.

per-i-o-don^tia (Gr. periy around +
odouSy tooth). The branch of den-
tistry which relates to diseases of the
tissues surrounding the teeth.

per-i-o-don-ti'tis (Gr. periy around +
odouSy tooth + itiSy inflammation).
Inflammation of the periodontal
membrane.



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PERIODONTIUM 220

per-i-o-don^ti-um (Gr. peri, around +
odousj tooth). The membranous
tissue immediately surrounding the
cementum of the tooth and between
the cementum and the alveolar pro-
cess.

par-i-o-don-to-da'sia (Gr. peri, around
+ odous, tooth + klassiSf breaking
down). The breaking down of the
tissues surroimding the root of the
tooth.

per-i-o^ral (Gr. peri, around + L. o«,
oris, mouth). Aroimd the mouth.

per-i«OB'te-al. Relating to the peri-
osteum.

par-i-os-te-i'tis. Same as periostitis,

per-i-08-te-o'ma (Gr. peri, around +
osteon, bone + oma, tumor). Perios-
teal tumor.

par-i-os'to-o-tome (Gr. peri, around +
osteon, bone + temnein, to cut). An
instrument for separating the perios-
teum from the bone.

per-i-08-ta-o-my-e-li^ti8 (Gr. peri,
aroimd + osteon, bone + myelos,
marrow + itis, inflammation). Peri-
ostitis with myelitis.

par-i-os^te-um (Gr. peri, around +
osteon, bone). The membranous tis-
sue surrounding the bone.
dantal p. Same as pericementum,

par-i-08-ti^ti8 (Gr. peri, aroimd +
osteon, bone + itis, inflammation).
Inflammation of the periosteum.

par-i-08-to^8i8. A bony growth on the
surface of a bone.

par-iph^a-rad. In a direction toward
the periphery.

par-q>h'a-ral, par-iph^ic. Relating to
or located near the periphery.

par-iph'a-ry (Gr. peri, around . +
pherein, to bear) . The outer surface.

par^i-plast (Gr^peri, around + plassein,
to mold). Tne protoplasm of a cell
outside of the nucleus.

par-i-ra-dic^u-lar (Gr. peri, around +
L. radix, root). Around the root
of a tootn.

par-i-8tal^8i8 (Gr. peri, around + stal-
sis, contraction) . The convolutional
movement of the alimentary canal
in expelling its contents.

par-i-8tal'tic. Relating to peristalsis.



PER RECTUM



par-i-8tal^tin. A laxative preparation
of cascara sagrada.

par-i-8taph-y-li'ti8 (Gr. peri, around +
stavhyle, uvula + itis, mflammation).
Inflammation of sott tissues about
the uvula.

parl-8to-inal, par-i-8tomVtoii8 (Gr.
peri, around + stoma, mouth).
Relating to the parts immediately
around the mouth or a similar open-
ing.

par-i-tha^-um (Gr. peri, around +
thele, nipple). Layer of cells that
surrounds the smaller vessels.

par-i-to-na'al. Relating to the peri-
toneum.

par-i-to-na'um (Gr. peri, around +
teinein, to stretch). The serous
membrane lining the abdominal
cavity.

par-i-to-iii'ti8 (Gr. peri, around +
tenein, to stretch + itis, inflamma-
tion). Inflammation of the peri-
toneum.

par-i-ton'8il-]ar. Located around or
near the tonsils.

par-i-ya8'ea-]ar. Situated around a



parlMia [pare-lesh'] (Fr.). An oral
disease of children, contagious in
character, having a bacterial origin.
The principal symptom is induration
of the epithelium at the comers of
the mouth.

pannanant taath. Teeth of the second
dentition. Teeth of adult age as dis-
tinguished from the deciduous teeth.

par-o^ral (L. per, through + os, oris,
mouth). Through the mouth.

par 08. Latin phrase meaning hy the
mouth,

par-ox'id. The oxid of an element con-
taining more oxygen than any other.
p. of 80diiim. Obtained by adding
peroxid of hydrogen to a solution of
caustic soda and tnen adding alcohol;
antiseptic and bleaching agent.

par-ox'ol. A preparation of camphor
with hydrogen peroxid.

par primam intantionam. Latin phrase

meaning hy first intention,
par ractom. Latin phrase meaning

through orhythe rectum.



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PERRY CROWN



231



PHARMACOLOGY



Perry crown. [Safiford G. Perry, New
York dentist, 1844-1911]. An arti-
ficial crown attached to the root of
a tooth, and to which is soldered a
collar with a cap fitted on it. A pin
is fastened into the root canal, its end
projecting into the concavity in the
base of the porcelain crown, which
is cemented to the cap, through
which the pin passes, with oxyphos-
phate cement.

Perry separator. An instrument for
separating the teeth to gain access to
the proximal surfaces in filling teeth,
designed by S. G. Perry.

per secnndam intentionem. Latin
phrase meaning by second intention,

per-spi-ra'tion (L. perspirare^ to
breathe through). The secretion of
sweat.

per tertiam intentionem. Latin phrase
meaning hy third intention.

per-toss'in. Trade name of a prepara-
tion containing thyme used in whoop-
ing cough.

pes, pi. pedes. Latin, meaning foot.

pest. Same as plague.

pes'tle (L. pestillumy a pounder). The
instrument with which substances
are rubbed in a mortar.

Petiji dish [Julius Petri, a German
bacteriolodst, 1852—]. Round glass
dishes used for holding bacterial cul-
tures.

pet-ro-la'tom (L.). A jelly-like oint-
ment obtained from petroleum.

pe-trole-nm (L. petra, stone + oleums
oil). An oily liquia obtained from
wells dug in the earth. Used as an
expectorant, diaphoretic; also in
skin diseases. Dose, 5 to 10 min.
[0.33 to 0.66 cc].

pet-ro-snl'fol. Trade name of a prep-
aration of petroleum and sulphur
used in the treatment of skin dis-



pe^troos (Gr. petra, rock). Having the
nature of stone.

pH. Chemical symbol for hydrogen -
ion concentration. pH^- neutrality;
where the figure is greater than 7,
it represents alkalimty; where less
than 7, acidity.

phag-e-de^na (Gr. phagein, to eat).
A rapidly spreading ulcerous condi-
tion of the soft parts.



phag-e-den'ic. That which rapidly
eats away.

p. pericementitis. Inflammation of
the pericementum accompanied by
destruction of the membrane and the
alveolar walls.

phag'o-eyte (Gr. phagein^ to eat +
kytoSf cell). A cell that destroys-
microdrganisms by enveloping them.

phag-o-ey'tic. Relating to phagocytes.

phag-o-ey'to-blast (Gr. phagein, to
eat + kytos, cell + blastos, germ).
A cell that produces phagoc^s.

phag-o-ey-tory-sis (Gr. phagein, to
eat + kytos, cell + lysis, solution).
Dissolution of phagocytes.

phag-o-cy-to'sis. Destruction of bac-
teria by phagocytes; development of
phagocytes.

phag-o-dy-na-mom^e-ter (Gr. phagein,
to eat + dynamis, force + metron,
measure). An instrument for
measuring the force used in chewing.

phag-o-ly^sis (Gr. phagein, to eat +
lysis, solution) . Destruction of pha-
gocytes.

pha^nx, pi. phalanges (Gr. phalanx,
a row of soldiers). Any one of the
bones of the fingers or toes.

phar., pharm. Abbreviation for phar-
macy, pharmacopeia.

Phar. D. Abbr. for Doctor of Phar-
macy.

phar^ma-cal. Relating to pharmacy.

phar-ma-cen'tic, phar-ma-een'ti-eal.
(Gr. pharmakon, a drug). Relating
to pharmacy.

phar-ma-een'tist. Same as pharmacist.

phar^ma-cist. A druggist.

phar-ma-co-dy-nam'ic (Gr. pharmakon,
drug + dynamis, power). Relating
to the effects of drugs.

phar-ma-co-dy-nam'ics. The science
and study of the action of drugs.

phar-ma-cog'no-sy (Gr. pharmakon,
drug + gnosis, knowledge). The
science which treats of drugs in all
their relations; description, source,
preparation, dosage, action, etc.

phar-ma-coro-gist. One versed in the
nature and action of drugs.

phar-ma-coro-gy (Gr. pharmakon, drug
+ logos, treatise). The study of the
nature and action of drugs.



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PHARMACOPEIA 2S

phar-ma-co-pe'ia, pharmacopoeia (Gr.
pharmakon, drug + poiein, to make).
An authoritative work containing
directions for the preparation of
drugs. The U. S. P. is revised every
ten years by a national committee.

phar-ma-co-pe^i-al. Relating to the
pharmacopeia, or sanctioned by the
pharmacopeia.

phar-ma-co-fherVpy (Gr. phxirmakon^
drug -f therapeiaj treatment). The
science of treatment of disease by
means of drugs.

phar^ma-cy (Gr. pharmakon^ drug).
The art which teaches the knowledge,
choice, preservation, preparation and
combination of drugs.

phar-3rn'geal. Relating to the pharynx.

phar-yn-gec'to-my (Gr. pharynx^
pharynx + ektomey excision). Ex-
cision of a portion of the pharynx.

phar-yii-gi^tis (Gr. pharynx, pharynx
+ itisy inflammation). Inflamma-
tion of the pharynx.

phar-yn-go-glos^sal. Relating to the
pharynx and tongue.

phar-yn-goro-gy (Gr. pharynx,
pharynx + logoSf treatise). The
study of the pharynx.

phar-yn-go-max^il-la-ry. Relating to
the pharynx and the jaw.

phar-yn-go-my-co^sis (Gr. pharynx,
pharynx + mykes, fungus). Growth
of the fungus Leptothrix buccalis in
the pharynx.

phar-yn-go-na'sal. Relating to the
pharynx and the nose.

phar-yn-go-o^ral. Relating to the
pharynx and mouth.

phar-yn-go-pal Vtine. Relating to the
pharynx and the palate.

phar-yn^go-scope (Gr. pharynx,
pharynx + skopein, to see). An
instrument for examining the
pharynx.

phar-yn-got'o-my (Gr. pharynx,
pharynx + temnein, to cut). In-
cision into the pharynx.

phar'ynx, pi. pharynges (Gr. pharynx,
pharynx). The musculomembra-
nous canal between the mouth and
nares and esophagus.

phase (Gr. phasis, appearance). The
stage of a disease at a certain time.



2 PHENOTYPE

phat^ne (Gr. phatne, socket). An
alveolus, or tooth socket.

phat-nor-rha^gia (Gr. phatne, socket +
rhegnynai, to burst forth). Hemor-
orrhage from the alveoli.

phat-nor-rhe^a (Gr. phatne, socket +
rhoia, to flow). Same as pyorrhea
alveoiaris.

Ph. B. Abbr. British Pharmacopoeia.
Bachelor of Philosophy.

Ph.D. Abbr. for Doctor of Phi-
losophy.

phe-nac^e-tm. Same as acetpheneti-
din. A white, crystalline powder
derived from phenol; used in fevers;
it is antipyretic, analgesic, and anti-
rheumatic. Dose 5 to 15 gr. [0.333
to 1 gm.].

phen-al^gin. Trade name for a prep-
aration of acetanilid, ammonium
carbonate, and sodium bicarbonate,
used as a substitute for acetanilid.
Dose, 3 to 15 gr. [0.2 to 1 gm.].

phen^al-in. Trade name of a laxative
preparation of phenolphthalein.

phe^nic acid. Carbolic acid. See phenol,

phen'o-coll hy-dro-chloMd. A white

Eowder, amido-acetparaphenetidin
ydrochlorid, used in the treatment
of neuralgia and rheumatism. Dose ,
7 to 15 gr. [0.5 to 1 gm.].

phe^nol. Same as carbolic acid.

phenolphthalein [fe-nol-tharein]. A
coal-tar derivative; used in medicine
as a purgative; also used in urinaly-
sis. Dose, 7 gr. [0.46 gm.].

phe-nol-sul-phon^ic acid. See acid.

phe-nom^e-non, pi. phenomena (Gr.
phainomenon, thing seen). A mani-
festation or symptom of an unusual
character.

phen^o-sal. Phenetidin saUcylacetate,
a crystalline powder used as an anti-
pyretic and analgesic in neuralgia
and rheumatism. Dose, 5 to 15 gr.
[0.3 to 1 gm.].

phen-o-sal^yL Trade name of a prep-
aration of phenol, 9 parts; sahcyfic
acid. 1; lactic acid, 2; menthol, 0.1,
usea in the treatment of eczema in
1 per cent solution.

phe^no-type (Gr. phainein, to display
+ typos, type). Possessing the same
typal characters.



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PHENYL



223



PH0T08C0PE



phe'nyl. The univalent radical of
phenol CeHfi.
p. salicylate. Salol.

Ph. Q. Abbr., Graduate of Pharmacy.

phi^al (Gr. phicde). Vial; small bottle.

phlebitis [fle-bi'tis]. (Gr. phleps^ vein
•hitis, nflammation). Inflammation
of the inner membrane of a vein.

phlegm [flem]. {Gr. phlegmay phlegm) ,
A viscid mucous secretion from the
mucosa of the air passages.

phleg-mat'ic (Gr. pMegmcUikoSy relating
to phlegm). Abounding in phlegm,
hence apathetic, sluggish; as the
phlegmatic temperament.

phlo-gis^tic (Gr. vhlogistoSf burning).
Inflammatory; heat producing.

pho^bi-a (Gr. phoboSy fear). Any mor-
bid fear or dread.

pho'nal (Gr. phoney voice). Relating
to the voice.

pho-na^tion (Gr. phoney voice). Voice-
production; uttering vocal sounds.

pho-net^ic (Gr. phone, voice). Relat-
ing to sound or to the voice.

pho-net^ics. The science which treats
of sounds or the voice.

pho'nic (Gr. phone, voice). Relating
to the voice.

pho^no- (Gr. phone, voice). A prefix
indicating relation to the voice.

phos^phate. A salt of phosphoric acid.

acid p. An acid in which only one

or two of the three hydrogen atoms

are replaced by a metallic atom or

radical.

p. of lime. Calcium phosphate ; one
of the inorganic constituents of bone
tissue.

p. of soda. Sodium phosphate. A
colorless transparent crystalline pow-
der; a mild cathartic and anti-
lithic. Dose. 5 to 40 gr. [0.32 to
2.6 gm.].
p. of zinc. See zinc phosphate.

phos-phat'ic. Relating to phosphates.

phos-phat-n^ria. An excess of phos-
phates in the urine.

phos'phite. A salt of phosphorous
acid.

phos'pho-ra-ted, phos^pho-ret-ed,
phos'phu-ret-ed. Combined or im-
pregnated with phosphorus.



ph6s-pho-res^cence. Emitting light;
being luminous without combustion.

phos-pho-res'cent. Producing phos-
phorescence.

phos-phor'ic acid. See add.

phosphorous acid. See add.

phos-pho-niM-a. Excess of phos-
phates in the urine.

phos'pho-ms (Gr. phos, light + phordn,
to carry). A translucent, nonme-
tallic inflammable element. Symbol
P. Used in medicine as a tonic.
p. necrosis. Necrosis, particularly
of the jaws, resulting from inhala-
tion of phosphorus fumes.

phos^sy jaw. Necrosis of the jaw.
resulting from inhalation of phos-
phorus fumes.

pho'to- (Gr. phos, light). A prefix
signifying relation to light.

pho-to-chem^ic. Relating to the chemic
properties of light.

pho-to-chem'is-try. The branch of
chemistry relating to the chemical
action of light.

pho-to-dy-nam^ic (Gr. phos, light +
dynamis, power). Relating to the
energy of light.

pho-to-gen^e-sis (Gr. phos, light +
genesis, origin). The production of

pho-to-gen^ic, pho-tog^e-noos. Light-
producing.

pho^to-gram (Gr. phos, light + gramma,
record). A record of a physiological
experiment made by the photo-
graphic process.

pho-to-kin-et^ic (Gr. phos, light +
kinetikos, causing motion). Pro-
ducing motion with rays of light.

pho-tory-sis (Gr. phos, light + lysis,
solution). Dissolution by the action
of light.

pho-tom^e-ter (Gr. phos, light +
metron, measure). An instrument
for measuring the intensity of light.

pho-to-mi'cro-graph (Gr. phos, light +
mikros, small + graphein, to record).
Photograph of a microscopic field.

pho - to -mi^cro- scope. A microscope
with a camera attached for photo-
graphing microscopic objects.

pho'to-scope (Gr. pfws, light + skopein,
to see). An instrument for examin-
ing the antrum.



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PHOTOTAXIS 224

pho-to-tax'i8 (Gr. phoSf light + tdxiSf
arrangement). Movement of micro-
organisms in response to the influ-
ence of light.

pho-to-fherVpy (Gr. phos. light +
therapeiaf treatment). The treat-
ment of disease by means of light
rays.

phren [fren] (Gr.vhren, mind or dia-
phragm). 1. The diaphragm. 2.
The mind.

phren^ic (Gr. phreUf mind). 1. Relat-
ing to the mind. 2. Relating to the
diaphragm.

phren-o-gas'tric. Relating to the dia-
phragm and stomach.

*phre-noro-gy (Gr. p^ren, mind +
logos, treatise). Tne study of the
mina through the shape of the skull.

phihi'sis [te'sis] (Gr. phthisis^ consum-
ing). Progressive emaciation or
wasting away of the body.

Phy-eo-my-ee't68. A genus of the
lower order of moulds.

phy-lax'in (Gr. phylaXf guard). A
defensive protein detect^ in arti-
ficially immunized animals.

phy-lo-gen'e-sis, phy-log^e-ny(Gr.p%-
lon, tribe + genesis^ origin). Evolu-
tionary I development of a type of
organisms.

phy-lo-ge-net^ic. Relating to phylo-
genesis.

phylum, pi. phyla (Gr. phyloriy race).
A primary division of the vegetable
or animal kingdom.

phy'ma, pi. phymata (Gr. phymaf
growth). A cutaneous tubercle, or
skin tumor.

phy-ma-to^gis. The presence of cu-
taneous tubercles.

phy8-i-at'riC8 (Gr. physis, nature +
iatreia, treatment). Therapeutical
appUcation of physical forces to the
cure of disease. The healing power
of nature.

physic [fiz-ik] (Gr. physis, nature). 1.
The science of medicine. 2. A medi-
cine, particularly a cathartic.

physl-eal. Relating to nature or the
body.

phy-8i'ci-an. One who practices medi-
cine.

phys-i-co-chemlc. Relating to phys-
ics and chemistry.



PHYTOPARA8ITE



physics (Gr. physia, nature). The
science of the nature and forces of
inorganic matter.

phys-i-o-chem'ic. Relating to phys-
iologic chemistry.

phys-i-og'no-my (Gr. pAj/«M, nature +
gnomorif a judge). 1. The face.
2. The art of determining the dis-
position from the facial features.

phys-i-o-log'ic, phys-i-o-log'ic-al. Re-
lating to physiologv, especially to
normal as distinguished from patho-
logical physiology.
p. salt solution. A solution of
sodium chlorid, from 0.6 to 0.75 per
cent, in distilled water: it has the
same density as most of the animal
fluids.

phys-i-oro-gist. One versed in physi-
ology.

phys-i-ol'o-gy (Gr. physiSy nature +
logos, discourse). The science which
has tor its object the study of the
functions of the living organism and
its relation to chemical and physical
laws.

phys-i-onVmy (Gr. physia^ nature +
nomoSf law). Natural philosophy.

phys-i-o-path-o-log'ic. Relating to
physiologic and pathologic condi-
tions.

phys-i-o-path-oro-gy. Study of func-
tion as modified by disease.

phys-i-o-psy^chic (Gr. physia, nature +
vsyche, mind). Having relation to
both body and mind.

phys-i-o-therVpy (Gr. physis, nature
+ therapeiaf treatment). Applica-
tion of natiiral forces to the treat-
ment of disease, such as light, heat,
water, etc.

physique [fiz-ek]. Physical structure;
constitution.

phy-tall>u-mo8e (Gr. phyton, plant +
albumose). Vegetable albumose.

phy^to- (Gr. phyton, a plant). A prefix
signifying relation to vegetable or-
ganisms.

phy-to-genVsis (Gr. phyton, plant +
genesis, origin). The science of the
origin and development of plants.

phy-to-ge-netlc, phy-to-genlc, phy-
tog^en-ous. Proiduced by plants.

phy-to-parVsite. A vegetable para-
site.



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PHYTOPLASM



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PIXOL



phy^to-pUsm (Gr. phyton, plant +
plasma^ formed). Vegetable proto-
plasm.

phy-to'sis (Gr. pkyton, plant). A dis-
ease due to vegetable parasites.

pia mater (L., affectionate mother.)
The fibrous membrane that envelops
the brain and spinal cord.

pick^ling. Term applied to the method
of removing oxidation from the sur-
face of gold by the use of acids, par-
ticularly hydrochloric acid.

pic^rate. A salt of picric acid.

pic'rin (Gr. piAros, bitter). A bitter
substance obtained from digitalis.
Dose, i toj gr. [0.016 to 0.033 gm.].

pier. In bridgework, a natural tooth
or root utilized as an attachment for
a bridge. Same as abutment.

pig'ment. Metals, or their oxids, which,
when added to porcelain and heated
to a high degree, will produce a
definite hue of a color.

pig^men-ta-ry. Relating to a pigment.
pig-men-ta^tion. Discoloration by pig-
ment.

pig^men-ted. Containing pigment.
Discolored by pigment.

pig-men-tory-sis. Destruction of pig-
ment.

pil. Abbreviation for L. pilvla, pi.
pilidcBf pill.

pill (L. piluUij pill). A round or oval-
shaped medicated mass for internal
administration.

pillar (L. pUa, a pillar). In anatomy
a colunmar supporting structure.

p's. of the fauces. Folds of mucous
membrane on each side of the fauces.

pillet. A small pill.

pi-lo-car'pin hy-dro-chlo'rid [U S. P.].
An alkaloid of pilocarpus obtained
from a South American shrub. It
is a powerful diaphoretic and sia-
logue. Dose, hypodermically, i to i
gr. [0.008 to 0.016 gm.].

pil'n-la, pi. pUiUcB. Latin meaning
piU.

pil'n-lar. Relating to pills.
pillule. A small pill,
pilus, pi. pUi (L.). Hair.
15



pim'ple. A pustule. A small protu-
berance on the skin.



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