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George M. (George Milbry) Gould.

A pocket medical dictionary : giving the pronunciation and definition of the principal words used in medicine and the collateral sciences, including very complete tables of the arteries, muscles, nerves, bacteria, bacilli, micrococci, spirilla, and thermometric scales, and a new dose-list of drugs a online

. (page 8 of 103)
Online LibraryGeorge M. (George Milbry) GouldA pocket medical dictionary : giving the pronunciation and definition of the principal words used in medicine and the collateral sciences, including very complete tables of the arteries, muscles, nerves, bacteria, bacilli, micrococci, spirilla, and thermometric scales, and a new dose-list of drugs a → online text (page 8 of 103)
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Antivenene, Antiven'in, an-te-ven' -en. The blood-serum of ani-
mals rendered immune to snake-poison.

Antivenereal, an-te-ven-e'-re-al. Antisyphilitic.

Antizymotic, an-te-zi-mof-ik. Preventing fermentation.

Antlia, ant'-le-ah. A syringe or pump.

Antodontalgic, an-to-don-taV -jik. Relieving toothache.

Antozone, anf-o-zon. Hydrogen peroxid; a disinfectant.

Antracele, an'-tra-sel. Hydrocele of the maxillary antrum.

Antral, an'-tral. Pertaining to an antrum.

Antrectomy. Excision of the walls of the mastoid antrum.

Antritis, an-tri'-tis. Inflammation of a cavity, as an antrum.

An'trocele. Same as Antracele.

Antrophore, an'-tro-for. A soluble, medicated bougie.

An'troscope. An instrument for examining the maxillary antrum.

Antros'copy. Endoscopic examination of the maxillary antrum.

An'trotome. Instrument for cutting open an antrum.

Antrot'omy. Incising an antrum.

Antrotympani'tis. Chronic purulent otitis media.

Antrum, an'-trum. A cavity, especially in bone. A. of High-
more. Same as A. maxillare. A. mastoi'deum, the cavity of
the mastoid bone. A. maxilla're, a cavity in the body of
the superior maxilla. A. pylo'ri, that portion of the stomach
immediately in front of the pylorus.

Anuretic, an-u-retf-ik. Affected with anuria.

Anuria, an-u' '-re-ah. An absence or deficiency of urine.

Anus, a*-nus. The extremity of the rectum. A., Artifi'cial, an
artificial opening, the natural one being closed. A., Imper-
forate, one with the natural opening closed. A. vulvovagina'-
lis, an anal opening communicating with the vulva.

Anusol, d-nus-ol. The iodoresorcin sulphonate of bismuth.

Anvil, an'-vil. The incus.

Anydremia, an-id-re'-me-ah. See Anhydremia.

Anypnia, an-ip' -ne-ah. See Anhypnia.

An'ytin. See Anitin.

An'ytol. See Anitol.

Aorta, a-or f -tah. The main arterial trunk. A., Abdom'inal, the
portion below the diaphragm. A., Arch of, the curved part
extending from the heart below to the third dorsal vertebra.
A., Descend'ing, the aorta below the arch. A., Thora'cic, the
part included in the thoracic cavity.






APHAKIA



Aortarctia, a-or-tark' -te-ah. Same as Aortostenosis.

Aortic, a-ortf-ik. Pertaining to the aorta. A. Arch'es. See
Arch. A. Mur'mur, a murmur due to disease of the aortic
valves, or of the wall of the aorta. A. O'pening, the posterior
perforation of the diaphragm. A. Plex'us, a nerve plexus lying
in front and on the sides of the aorta. A. Valves, the valves
guarding the opening into the aorta.

Aortitis, a-or-ti'-tis. Inflammation of the aorta.

Aortomala'cia. Softening of the aorta.

Aortostenosis, a-or-to-sten-d 'sis. Narrowing of the aorta.

Apacon'itin. See Apoaconitin.

Apandria, ap-an' '-dre-ah. Morbid dislike of the male sex.

Apanthro'pia. A morbid love of solitude; melancholy.

Apathy, ap'-ath-e. A want of passion or feeling; indifference.

Apafropin. C17H21NO2. A derivative of atropin.

Ape' -fissures. The fissures in the human brain that are also
found in apes. A.-hand, a hand having the thumb and digits
at right angles.

Apellous, ah-pel'-us. Without a skin.

Apepsia, ah-pep' -se-ah. Imperfect digestion; dyspepsia.

Aperient, ah-pe'-re-ent. Laxative, opening.

Aperistalsis, ah-per-is-taV -sis. Cessation or lack of peristalsis.

Apertura, ap-er-tu'-rah. An opening. A. ante'rior ventric'uli
ter'tii cer'ebri, the vulva cerebri. A. aquaeduc'tus coch'leae,
opening of aqueduct of cochlea on the petrous bone. A. chor'-
dae, the internal opening of the canal for the chorda tympani
nerve. A. decliv'is, the anus. A. cana'lis inguina'lis, the
inguinal ring. A. extern'a aquaeduc'tus vestib'uli, external
opening of the aqueduct of the vestibule. A. infe'rior canalic'-
uli tympan'ici, inferior opening of tympanic canaliculus. A.
latera'lis ventric'uli quar'ti, the foramen of Key and Retzius.
A. media' na ventric'uli quar'ti, the foramen of Magendie. A.
na'rium. Same as Nares. A. pel'vis supe'rior, the superior
straits of the pelvis. A. sca'lae vestib'uli coch'leae, an opening
between the vestibule and the scala vestibuli of the cochlea.
A. spina' lis, a vertebral foramen. A. supe'rior canalic'uli
tympan'ici, opening for the smaller petrosal nerve. A. tym-
pan'ica canalic'uli chor'dae, opening of the iter chordae pos-
terius into the tympanum. A. uteri'na, opening of the
Fallopian tube into the uterus.

Aperture, ap'-er-tur. An opening or orifice.

Apex, a'-peks (pi., ap'-ices). The summit or extremity of any-
thing. A.-beat, the point of maximum impulse of the heart
against the chest-wall. A. Mur'mur, a murmur heard over the
apex of the heart.

Aphacia, ah-fa' -se-ah. See Aphakia.

Aphacic, ah-fa' -sik. See Aphakic.

Aphagia, ah-fa' -je-ah. An inability to swallow.

Aphakia, ah-fa' -ke-ah. Absence of the crystalline lens of the eye.



APOCENOSIS

Aphakic, ah-fa'-kik. Without a crystalline lens.

Aphasia, ah-fa'-ze-ah. A loss of power of speech from cortical
lesion. A., Amne'sic, a want of memory for words. A.,
Atax'ic, an inability to articulate words. A., Conduc'tion,
that due to a lesion of the conducting path. A., Mo' tor. See
A., Ataxic. A., Sen'sory, an inability to remember or under-
stand words.

Aphasic, ah-fa'-zik. Resembling or affected with aphasia.

Aphemia, ah-fe 1 -me-ah. Motor aphasia; anarthria.

Aphephobia, af-e-fo' -be-ah. A morbid dread of being touched.

Aph'eter. The supposed substance causing muscular contrac-
tion.

Aphonia, ah-fd '-ne-ah. A loss of voice, due to peripheral lesion.
A. clerico'rum, clergymen's sore-throat. A. parano'ica, stub-
born silence in the insane.

Aphonic, ah-ftf-nik. Characterized by aphonia.

Aphoria, ah-ftf -re-ah. Sterility of the female.

Aphose, ah'-foz. A subjective sensation of shadow.

Aphrasia, ah-fra'-ze-ah. An inability to speak from any cause.

Aphrodisiac, af-ro-diz'-e-ak. Stimulating the sexual passion.

Aphthae, af'-the. Small white ulcers of the mouth; thrush. A.,
Cachec'tic, aphthae beneath the tongue, with grave constitu-
tional symptoms. A., Conta'gious, Epizoor'ic. Same as
Foot and Mouth Disease.

Aphthenx'ia. Impaired ability to articulate sounds.

Aphthoid, aj'-thoid. Resembling aphthae.

Aphthongia, af-thong -e-ah. A peculiar form of aphasia due to
muscular spasm.

Aphthous, af'-thus. Marked by aphthae.

Aphysiopur'purin. An animal pigment.

Apical, a'-pik-al. Pertaining to the apex.

Ap'iin. C27H32O16. A glucosid from parsley.

Apiol, ap'-e-ol. A stearoptene, C12H14O4, from oil of parsley;
antiperiodic.

Apiolin, ap'-e-o-lin. A proprietary emmenagog from parsley.

Ap'ion. A decomposition product of apiol.

Ap'is mellif'ica. The honey-bee.

Aplacental, ah-pla-sen'-tal. Without a placenta.

Aplanatic, ah-plan-af-ik. Without spheric aberration; rectilin-
ear. A. Lens, a lens correcting aberration.

Aplasia, ah-pla' -ze-ah. Defective development in a tissue.

Aplastic, ah-plas'-tik. Structureless, formless, not plastic. A.
Lymph, nonfibrinous lymph incapable of organization.

Apnea, Apncea, ap-ne'-ah. A temporary cessation of breathing.

Apneumatosis, ap-nu-mat-d-sis. Noninflation of the air- vesicles.

Apneumia, ap-nu' '-me-ah. Congenital absence of the lungs.

Apoaconitin, ap-o-ak-on' '-it-in. C33H41NO11. A poisonous alka-
loid from aconitin.

Apocenosis, ap-o-sen'-o-sis. A discharge, flux, evacuation.



APOPLEXY

Apochromatic, ap-o-kro-maf-ik. Without color. A. Lens, a
lens with a high correction of spheric and chromatic aberra-
tion.

Apocodein, ap-o-ko 1 '-de-in. C18H19NO2. An alkaloid from
codein.

Apocynein, ap-os-in'-e-in. A glucosid from Apocynum.

Apocynin, ap-os'-in-in. An extract from Apocynum.

Apocynum, ap-os* -in-um. A genus of plants, dogs-bane. A.
cannab'inum, Canadian hemp; it is an anthydropic tonic.

Apo'dia. A monster without feet.

Apolar, ah-po'-lar. Having no pole. A. Cells, nerve-cells with-
out processes.

Apollinaris Wa'ter, ap-ol-in-a'-ris. A German alkaline mineral
water highly charged with carbon dioxid.

Apol'ysin. A phenetidin citrate used in neuralgia.

Apomorphin, ap-o-mor'-fin. C17H17NO2. An artificial alkaloid
derived from morphin; it is a powerful emetic.

Apomyelin, ap-o-mi'-el-in. A principle from brain-substance.

Apone, ap-ovt '. An anodyne containing chloral.

Aponeurography, ap-on-u-rogf-ra-fe. A description of aponeu-
roses.

Aponeurology, ap-on-u-roV-o-je. The science of aponeuroses.

Aponeurosis, ap-on-u-ro'-sis. A fibrous expansion of a tendon.

Aponeurositis, ap-on-u-ro-si'-tis. Inflammation of an apon-
eurosis.

Aponeurotic, ap-on-u-rof-ik. Pertaining to an aponeurosis. A.
Fas'cia, a deep fascia.

Aponeu'rotome. A knife for dividing aponeuroses.

Aponeurotomy, ap-on-u-rof -o-me. The division of an aponeu-
rosis.

Apophraxis, ap-o-j "raks* -is. Amenorrhea, q. v.

Apophyseal, ap-o-fiz'-e-al. Pertaining to an apophysis.

Apophysis, ap-off'-is-is. A bony protuberance or outgrowth.
A. lenticula'ris, the orbicular process of the temporal bone.
A. ravia'na, the processus gracilis of the maleus.

Apoplec'tic. Pertaining to, like, or affected with, apoplexy.

Apoplectiform, Apoplectoid, ap-o-plek' -tif-orm, ap-o-plek'-toid.
Resembling apoplexy.

Apoplectig'enous. Producing apoplexy.

Apoplexia, ap-o-pleks' -e-ah. Apoplexy. A. u'teri, a sudden
uterine hemorrhage.

Apoplexy, ap'-o-pleks-e. Paralysis from rupture of a cerebral
vessel. A., Bulb'ar, that due to a rupture of a blood-vessel
in the medulla oblongata. A., Cap'illary, a form due to rup-
ture of capillaries. A., Ingraves'cent, that marked by a pro-
gressive loss of consciousness from leakage of blood from a
ruptured vessel. A., Pontile, apoplexy due to a rupture of a
blood-vessel in the pons varolii. A., Pul'monary, escape of
blood into pulmonary parenchyma. A., Sim'ple, a name for



APPENDIX

those cases of death from coma in which no cerebral lesion is
found. A., Spi'nal, rupture of a blood-vessel of the spinal
cord. A., Splen'ic, (1) flow of blood into the splenic sub-
stance; (2) contagious anthrax.

Aporetin, ap-o-re'-tin. A cathartic resin derived from rhubarb.

Aposia, ah-pd-ze-ah. An absence of thirst.

Apositia, ap-o-sit' -e-ah. A loathing for food.

Apostasis, ap-os'-tas-is. 1. An abscess. 2. A bony exfoliation.

Apostema, ap-o-ste'-mah. An abscess.

Aposthia, ap-os* -the-ah. Congenital absence of the prepuce.

Apostoli's Treat 'ment. Treatment of uterine affections by elec-
tricity, the positive pole being placed in the uterus.

Apotheca, ap-o-the'-kah. An apothecary's shop.

Apothecary, ap-oth'-e-ka-re. A druggist; a seller of drugs.

Apothema, Apotheme, ap-oth? -em-ah, ap'-o-them. A brown
powder formed by the evaporation of a vegetable infusion.

Apotheter, ap-oth'-et-er. A navel-string repositor.

Apozema, Apozeme, ap-oz 1 '-em-ah, ap'-o-zem. A decoction.

Apparatus, ap-ar-a'-tus. Instruments; a number of organs
which act together in the performance of a definite function.

Appen'dage. That which is attached to an organ as a part of it.
A., Auric' ular, the ear-like projection of the cardiac auricles.
A., Ce'cal, the appendix vermiformis. A., Epiplo'ic, appendicula
epiploica. As. of the Eye, the cilia, eyebrows, lacrimal appara-
tus, and eyelids. As., Fetal, the amnion, chorion, placenta,
and cord. As., Moss-like, short processes seen on some nerve-
fibers in the granular layer of the cerebellum. A. of the
Ovary, the parovarium. As. of the Skin, nails, hair, sebaceous
glands, and sweat glands. As. of the Uterus, the Fallopian
tubes, the ovaries, and the uterine ligaments.

Appendectomy, Appendicectomy, ap-en-dek' -to-me, ap-en-dis-ekf-
to-me. Excision of the vermiform appendix.

Appendices epiploicae, ap-en' -dis-ez ep-ip-lo'-is-e. See Appendic-
ula epiploica.

Appendicial, Appendicular, ap-en-dish' -e-al, ap-en-dik'-u-lar.
Pertaining to the vermiform appendix. A. Col'ic, the pain of
appendicitis.

Appendicitis, ap-en-dis-i'-tis. Inflammation of the appendix ver-
miformis. A. obliterans, that resulting in the obliteration of
the lumen of the appendix.

Appendicostomy, ap-en-dik-os' -to-me. Incision of the appendix
vermiformis for the purpose of irrigating the colon.

Appendicula, ap-pen-dik'-u-lah. A small appendage. A.
cer'ebri, the pituitary body. A. epiplo'ica, or A. pinguedino'sa,
little masses of fatty tissue, covered with peritoneum, pro-
jecting from the large intestine. A. vermifor'mis cae'ci, the
appendix vermiformis.

Appendix, ap-en'-diks (pi., appen' -dices). An appendage, an
adjunct. A., Auric'ular, a process of the auricles of the heart.



ARACHNIDA

A., En'siform, the third piece of the sternum. A., Epiplo'ic,

one of the fatty appendages of the peritoneum of the large

intestine. A. vermiform' is, the worm-shaped process of the

cecum. A., Xiphoid. Same as A., Ensiform.
Appercep'tion. The conscious reception of a sensory impression.
Appetite, ap'-e-tit. 1. A desire for food. 2. Lust.
Applanate, ap'-la-nat. Horizontally flattened.
Applana'tio, Applana'tion. A flattening.
Ap'ple Head. A term for the broad, thick skull of dwarfs.
Ap'plicator. An instrument for applying medicines to a part.
Apposition, ap-o-zish'-un. The act of fitting together; the state

of being fitted together.
Aprazia, ah-prak 'se-ah. Loss of understanding for the uses of

things.
Aproctia, ah-prok'-te-ah. Absence of the anus.
A'pron, Hot'tentot. Artificially elongated labia minora.
Aprosezia, ap-ro-seks r -e-ah. An inability to fix the attention.
Aprosopia, ap-ro-so' -pe-ah. Partial or complete absence of the

face.
Apselaphesia, ap-sel-af-e' -ze-ah. Paralysis of the tactile sense.
Apsithyria, ap-sith-i'-re-ah. An inability to whisper.
Apsychia, ap-sik'-e-ah. A loss of consciousness.
Aptyalia, Aptyalism, ap-ti-a'-le-ah, ap-ti' -al-izm. Lack of saliva.
Apus, a' -pus. A monster without limbs or feet.
Apyknomorphous, ah-pik-no-morf' -us . A term applied to a

nerve-cell not staining systematically.
Apyonin, ap-i'-o-nin. Yellow pyoktanin; an antiseptic.
Apyous, ah-pi'-us. Having no pus.
Apyretic, ah-pi-ref-ik. Without feVer.
Apyrezia, ah-pi-reks' -e-ah. The afebrile condition.
Aqua, a'-kwah. Water. A. destilla'ta, distilled water. A. for'-

tis, the nitric acid of commerce. A. labyrin'thi, fluid filling the

labyrinth of the ear. A. oc'uli, the aqueous humor. A. re'gia,

a mixture of nitric and muriatic acids.
Aquacapsulitis, ak-wa-kap-su-W -tis. See Aquocapsulitis.
Aquaeduc'tus. See Aqueduct. A., cer'ebri, the infundibulum.
Aquapunc'ture. Perforation of the skin by water- jets.
Aqueduct, ak' '-we-dukt. A canal. A. of the Coch'lea, a canal

leading from the end of the scala tympani to the jugular

fossa. A. of Syl'vius, the canal leading from the third to the

fourth ventricle of the brain.
Aqueous, a'-kwe-us. Watery; pertaining to water. A. Cham'-

ber, the cavity between the cornea and lens. A. Ez'tract, a

solid preparation of a drug made from the aqueous solution.

A. Hu'mor, the fluid in the anterior chamber of the eye.
Aquocapsulitis, ak-wo-kap-su-li'-tis. Serous iritis.
Arabinose, ar'-ab-in-os. A pentose, C5H10O5; gum-sugar from

arabic acid.
Arachnida, ar-ahf-nid-ah. A class of arthropods to which belong



ARCH

ticks (atari), mites (linguatulidce) , spiders (araneida), and
scorpions (scorpionida).

Arachnitis, ar-ak-ni'-tis. Inflammation of the arachnoid mem-
brane.

Arachnoid, ar-ak'-noid. Resembling a web. A. Cav'ity, the
space between the arachnoid and dura mater. A. Mem'-
brane, the serous membrane of the brain and cord.

Arachnoiditis, ar-ak-noid-i'-tis. See Arachnitis.

Arachnopia, ar-ak-no-pi' -ah. The arachnoid and pia together.

Aran's Green Can'cer. "Cancer vert d'Aran." Chloroma; malig-
nant lymphoma of the orbital cavity associated with grave
leukemia, and tending to form metastases through the lym-
phatic system. A.'s Law, fractures of the base of the skull
are the result of injury to the vault, the extension taking place
by irradiation along the line of the shortest circle. The frac-
tures of the base which occur by contre-coup are exceptions to
this law.

Aran-Duchenne's Disease'. Progressive muscular atrophy.

Arantius, Body of. Corpus arantii; a small fibrocartilaginous
nodule located in the center of the free margin of the semilunar
valves. A., Canal' or Duct of, the ductus venosus, the smaller
of the two branches into which the umbilical vein divides after
entering the abdomen. It empties into the ascending vena
cava and becomes obliterated after birth. A., Lig'ament of,
the obliterated ductus venosus of Arantius. A., Ven'tricle of,
a depression at the inferior angle of the fourth ventricle of the
brain.

Araroba, ar-ar-ct '-ba. Chrysarobin, q. v.

Ar'bor vi'tae. 1. The tree-like figure in a section of the cerebel-
lum; also applied to a similar appearance of the interior folds
of the cervix uteri. 2. The tree Thuja occidentalis.

Axboriza'tion. The branching of the nerve-cell processes.

Ar'butin. C24H32O14 + H0O. A glucosid found in Uva ursi.

Arc, ark'. Part of a circle. A., Binaural, a measurement across
the top of the head from the center of one auditory meatus to
the other.

Arcade, ar'-kad. Arch.

Arcanum, ar-ka'-num. A secret medicine or nostrum.

Arcatura, ar-kat-u'-rah. An outward curvature of the forelegs
of horses.

Arcein, a/se-in. Arecolin hydrobromate; an active myotic.

Arc en cercle, ark ong sair'kl. (French.) The opisthotonic
spasm often seen in hysteriod convulsions.

Arch, arch. A term applied to various curved portions of the
body. A., Abdominothora'cic, the lower boundary of the
front of the thorax. A., Alve'olar, that marking the outlines
of the alveolar processes of the jaw. A. of Aor'ta. See Aorta.
As., Aor'tic, vascular arches accompanying the branchial
arches. As., Bran'chial, five columns of tissue bordering the



ARCIFORM

gill-clefts. A., Cos'tal, the arch of the ribs. A., Cru'ral,
Poupart's ligament. A., Den'tal, the curve formed by the
cutting-edges of the teeth. A., Fem'oral, Poupart's ligament.
A., He'mal, the inferior loop of the typical vertebra. A.,
Hy'oid, the second branchial arch of vertebrates. A., Mandib-
ular, the first branchial arch, developing into the lower jaw.
A., Neu'ral, the superior loop of the typical vertebra. A.,
Pal'mar, the arch formed by the radial and ulnar arteries in
the palm of the hand. A., Pharyn'geal, the fifth pair of
branchial arches. A., Plan' tar, that made by the external
plantar and a branch of the dorsal artery of the foot. A.,
Supraorbital, the curved margin of the frontal bone that forms
the upper bounddry of the orbit. A. of Vertebra, the part of a
vertebra, formed by two pedicles and two laminas, bounding
the spinal foramen dor6ally. A., Vis'cera. Same as A.,
Branchial. A., Zygomatic, that formed by the malar and
temporal bones.

Archebiosis, ar-ke-bi-o'-sis. Spontaneous generation.

Archegenesis, ar-ke-jen'-es-is. See Archebiosis.

Archenteron, ark-en' -ter-on. The cavity formed by the invagina-
tion of the blastodermic vesicle.

Archeocyte, ar 1 -ke-o-sit. A wandering cell.

Archepyon, ar-ke-pi'-on. Pus too thick to flow.

Archesporium, ar-ke-spo'-re-um. The cells from which spore
mother-cells are immediately derived.

Archetype, ar'-ke-tip. A standard type.

Archiamphias'ter. A dyaster forming polar bodies.

Ar'chiblast. The granular areola surrounding the germinal
vesicle.

Archiblastic, ar-ke-blas'-tik. Pertaining to the archiblast.

Archiblast'oma. A tumor composed of archiblastic tissue.

Archigaster, ar'-ke-gas-ter. The embryonic alimentary canal.

Archil, ar'-kil. A violet coloring matter from the lichen Roc-
cella tinctoria.

Archinephron, ar-ke-nef'-ron. The Wolffian body.

Archineuron, ar-ke-nu'-ron. A primitive neuron.

Archipallium, ar-ke-pal' -le-um. The rhinencephalon.

Archistome, ar'-kis-tdm. The blastopore.

Architis, ar-ki'-tis. Inflammation of the rectum.

Archocele, aZ-ko-sel. Hernia of the rectum.

Ar'choplasm, Archoplas'ma. The substance composing the
attraction-sphere, the astral-rays, and the spindle-fibers in
karyokinesis.

Archoptosis, ar-ko-to'-sis. Prolapse of the rectum.

Archorrhagia, ark-or-af-e-ah. Rectal hemorrhage.

Archorrhe'a. Rectal discharge of blood.

Archostegnosis, ar-ko-steg-no'-sis. See Archostenosis.

Archostenosis, ar-ko-sten-o' -sis . Rectal constriction.

Arciform, ar'-sif-orm. Bow-shaped.
5



ARDENT

Arctation, ark-ta'-shun. A constriction of the lumen of a canal.

Arctium, ark'-te-um. A genus of plants. A. lappa, burdock; the
root is diuretic and tonic.

Arcuate, ar'-ku-dt. Bent like an arch.

Arcuation, ar-ku-a'-shun. Curvature.

Arculus, ar'-ku-lus. A cradle to protect diseased parts.

Arcus, ar'-kus. A bow, arch, or ring. A. aor'ta?, the arch of the
aorta. A. arteria'rum, the arteriae arciformes of the kidney.
A. arterio'sus ma'nus, the palmar arch. A. arterio'sus pal-
pebrae, an arterial arch along the edge of the eye-lid. A.
arterio'sus pe'dis, the plantar arch. A. atlan'tis, the arch of
the atlas. A. axilla'ris, arch formed by the axillary artery.
A. car'pi dorsa'lis, the posterior carpal arch. A. co'li intesti'ni,
the transverse colon. A. cor'neae. See A . senilis . A., crura' lis,
Poupart's ligament. A. crura'lis profun'dus, the deep crural
arch. A. denta'lis, the dental arch. A. fau'cium, the palatine
arch. A. glossopalati'nus, the anterior pillar of the fauces.
A. hi'licus, a branch of the renal artery supplying the pelvis
of the kidney. A. juga'lis, the zygomatic arch. A. juvena'lis,
a white ring around the cornea occurring in young individuals
and resembling the arcus senilis. A. ma'jor ventric'uli, the
great curvature of the stomach. A. medulla'ris, the fornix.
A. mi'nor ventric'uli, the lesser curvature of the stomach. A.
occipitoparieta'lis, an annectant gyrus between the superior
parietal lobule and the occipital lobe. A. palati'ni, the pillars
of the fauces. A. palatoglossus. Same as A. glossopalatinus.
A. palatopharynge'us, the posterior pillar of the fauces. A.
palma'ris, the palmar arch. A. pharyngoepiglot'ticus, folds
of mucous membrane passing from the pharynx to the epi-
glottis. A. planta'ris, the plantar arch. A. poplite'us, the
arcuate popliteal ligament. A. seni'lis, a ring of opacity at
the edge of the cornea seen in the aged. A. seni'lis len'tis, a
ring of opacity about the equator of the lens occurring in the
aged. A. spira'lis, the zona arcuata in the organ of Corti. A.
subpu'bicus, the pubic arch. A. superficia'lis vo'lae, the super-
ficial palmar arch. A. supraorbitals, the supraorbital arch.
A. tar'seus, the tarsal arch. A. tar 7 si oc'uli. Same as A . arterio-
sus palpebrce. A. thyrocartilagin'eus, the arch formed by the
superior thyroid arteries and the thyroid cartilage. A. tra-
chea'lis ante'rior, the arch formed by the inferior thyroid
arteries in passing over the trachea. A. un'guinum. See
Lunula. A. vasculo'si, arches formed by branches of the renal
artery in the kidney. A. veno'sus, (1) an arch joining the ante-
rior jugular veins; (2) the venous arch in the palm of the
hand; (3) a venous arch on the back of the fingers. A.
vertebra'lis, a vertebral arch. A. vola'ris, the palmar arch.
A. zygomat'icus, the zygomatic arch.

Ardent, ar 1 '-dent. Burning; feverish. A. Spirits, alcoholic
liquors.



AREOLA

Ardor, at 1 -dor. Violent heat; burning. A. uri'nae, burning pain
during micturition.

Area, a'-re-ah. Any space with boundaries. A. acus'tica, or
A., Aud'itory, (1; the receptive center for audition in the supe-
rior temporal gyrus; (2) an area in the lateral angle of the floor
of the fourth ventricle. A., Bro'ca's. Same as A. parol factor ia.
A. cel'si, alopecia areata. A. cribro'sa. Small perforated space
in the internal auditory meatus through which pass filaments of
the auditory nerve. A. embryona'lis. Same as A . germinativa.
A. germinati'va, the germinating spot of the embryo. A.
hypoglos'si. Same as Trigonmm hypoglossi. A. intercrura'lis,
or interpeduncula'ris, an area at the base of the brain between
the crura cerebri. A., Mo'tor, the emissive center for voluntary
motion in the precentral convolution. A., Occip'ital, (1) that
part of the occipital bone above the superior curved line; (2) the
portion of the brain beneath the occipital bone. A. opa'ca,
the opaque circle round the .4. pellucida. A. paratermina'lis,
a space on the mesial aspect of the embryonic cerebral hemi-
sphere. A. parolfacto'ria (Brocae), a small vertical gyrus
beneath the corpus callosum and continuous with the gyrus
cinguli. A. pellu'cida, the light central portion of the A. ger-
minativa. A., Postpon'tile, that of the metencephalon com-
prising the olivary bodies and the lower lateral portion of the
cerebellum. A. postre'ma, on the floor of the fourth ventricle be-
tween the ala cinerea and the tenia ventriculi quarti. A., Rol-



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