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formation of an organ or tissue beyond its natural or normal limits. Transfu'sion (trans, fundo, to pour). The transfer of blood or other liquid into the veins. Arterial T., the transfusion of defibrinated blood into an artery. T., Direct, or Immediate, when the blood passes directly from another's vein. T., İndirect, or Mediate, when it is first drawn in a vessel. Translu'cid (trans, luceo, to shine). Per

mitting a partial transmission of light; semitransparent. Transmigra'tion (trans, migro, to wander). The passage of cells or particles through a membranous septum, as, e.g., the white corpuscles of the blood in inflammation. Transmission (trans, mitto, to send). In pathology, the communication or transfer of a disease or its contagium from one person or place to another. Transpa'rent (trans, pareo, to appear). Having the property of permitting the passage of light-rays without material obstruction. Transpira'tion (trans, spiro, to breathe). The emission of any vapor or volatile matter through the pores of the skin. Applied also to sweat or the passage of liquids. Transplanta'tion (trans, planto, to plant). The operation of grafting. See Graft. T. of Cornea. See Keratoplasty. Transposi'tion (trans, pono, to place). In surgery, a plastic operation in which the tissue is transferred from its normal position to some other part, final removal being delayed until after adhesion takes place. Also the abnormal position of organs, as the teeth. Transuda'tion (trans, sudo, to sweat). The oozing of any fluid through the pores of the skin in an unaltered condition. Transverse' (trans, verto, to turn). Across as distinguished from longitudinal. Applied to anything directed crosswise or placed athwart. Transver'sus. See Muscle- Table. Trapezium (Lat.). In anatomy, the first

bone of the second row of carpal bones. Trapezius. See Muscle- Table. Trap'ezoid (trapezium, Eidos, like). One

of the bones of the wrist. Trapp's Formula. See Christison's For.

mula. Traube-Hering Curves. Pulse curves showing that the varying activity of the vasomotor center suffices to produce undulations in the blood pressure tracing.

Trau'ma (Tpavụa, a wound). A wound. Traumat'ic (Tpavua). Pertaining to a

wound or injury. Traumat'icine. A 10 per cent. solution of gutta percha in chloroform. Used locally in superficial wounds and skin affections. Unof. Trau'matism (Tpavua). The condition of one suffering from injury. The systemic condition following trauma. Trelacle. See Theriaca. Tread. See Cicatricula. Treat'ment. The methods enıployed in

effecting the cure of disease. Tree of Heaven. See Ailanthus. Tre'halose. A complex carbohydrate or crystallizable sugar derived from ergot, and also from the trehala insect cocoons. Tre'matode (tonua, a pore). The descriptive name of an order of entozoa, including worms parasitic upon the liver and intestinal tract. Tre'mens. See Delirium. Tre'mor (tremo, to shake). An involuntary trembling or agitation of the body, or some part of it. Tremulous Iris. See Iris. Trepan'.. See Trephine. Trephine (Tpera, to turn). An instrument for excising a circular piece of bone, usually from the skull. Trepida'tion (trepido, to tremble). A

rhythmical movement of the foot in certain paraplegic diseases, and in epilepsy. Treppe. See Summation. Tri- (Tpeic, or tres, three). A numeral used as a prefix to denote three, or triple. Tri'ad. See Quantivalence. Tri'al Case. A box of lenses for testing and estimating the refraction of the eye, containing biconvex, biconcave, cylindrical, prismatic and other lenses of the most used powers. Tri'al Frame. A spectacle frame into which the trial lenses may be slipped in estimating ametropia. Tri'al Lens'es. Lenses used in testing and estimating the refraction of the eye. See Spectacle-Lenses. Triam'ine. See Amine. Tri'angles. Certain spaces, specialized for surgical purposes, bounded upon three sides by arteries, muscles, etc. T. of Hesselbach, at the lower part of the abdominal wall, bounded by the epigastric artery, rectus muscle and Poupart's liga.

T., Carotid, Inferior, median line, sterno-mastoid, ant. belly omo-hyoid. T., Carotid, Superior, sterno-mastoid, TRIANGULAR




ant. belly omo-hyoid, post. belly digastric. T., Neck, Anterior, median line sternomastoid, border of jaw and line from angle of jaw to mastoid process. T., Neck, Posterior, sterno-mastoid, trapezius, clavicle. T., Occipital, sterno-mastoid, trapezius, omo-hyoid. T., Scarpa's, sartorius, adductor longus, Poupart's ligament. T., Submaxillary, lower jaw and mastoid process, the two bellies of the digastric. T., Subclavian, post. belly omo-hyoid, clavicle, sterno-mastoid. Trian'gular. Pertaining to figures with

three sides, and applied to a number of such shaped organs or parts of the body. Triangula'ris. See Muscle-Table. Triatom'ic (tri, three, atomus, an atom). In chemistry, applied to a molecule or a radical that requires three monad atoms to saturate it. See Quantivalence. Tri’badism (Tpußw, to rub). Unnatural sexual usage of the clitoris between two


Triba'sic (tri, basis, a base). In chem

istry, an acid having three hydrogen atoms replaceable by basic atoms. Tri'ceps (tri, capio, to take). Applied to certain muscles that have three origins. See Muscle- Table. Trichau'xis. See Hirsuties. Trichi’asis (Apis, a hair). Abnormal direction or position of the eyelashes, so that they produce irritation by friction upon the globe. See, also, Distichiasis. Trichi'na Spira'lis. See Pork. Trichini'asis (trichina). The condition

of one infested by trichina spiralis. Trichis'mus (p15). In surgery, a scarcely perceptible fracture; also, a capillary fissure or crack. Trichocar'dia (Oplę, kapsia, heart). A peculiar condition of the inflamed pericardium roughened by pseudo-membranous elevations. Trichoceph'alus (@pig, kepal, the head).

A worm popularly known as threadworm parasitic upon the intestinal tract. Trichoglos'sia (Mpig, yawooa, the tongue).

Having the appearance of hair on the tongue. The filaments are formed by the thickening of the sheaths of the papillä. Trich'oid (Mp15, Eidos, resemblance). Resembling hair. Trichol'ogy (Apf, 20yos, a treatise). A

treatise on the hair, its nature and diseases. Trichomato'sis (Opuš). A parasitic affection of the hair characterized by a matted condition and coherence, due to fungoid growths.

Trichomy/sis Nodo'sa. A peculiar condition, generally nodose in character, affecting the hairs of the axilla and scrotum, and due to the growth and encapsulation in the cortical layers of the shaft of a small rod-shaped bacterium. Trichono'sis, or Trichono'sos (Op15, vooos, disease). Dis

ease of the hair. Trichop'athy (0p15, Tabos, suffering). Any

disease or morbid ailment of the hair. Trichophy/ton (0015, putov, a plant). Any vegetable organism parasitic upon or affecting the hair. Trichorrex'is Nodo'sa (@puf, payvoju, to burst forth, nodus, a swelling). A swelling and bursting of the hair. Probably identical with Fragilitas Crinum. Due to defective nutrition. Tricho'sis (Op15). A class of diseases

including morbid affections of the hair. Tricor'nis (tri, cornu, a horn). Having three processes or prominences. A descriptive name applied to the lateral ventricles of the brain. Tricus'pid. See Valve. Trienceph'alus (ipers, three, EvkeOało,

the brain). A fætal monster without smell, hearing or sight. Triethyl'amine. A ptomaine obtained from haddock left to putrefy in an open vessel for five days in summer. As a free base, has an oily character and ammoniacal odor. Is but slightly soluble in water; boils at 899-89.5°. But slightly toxic. Trifa'cial. See Trigeminus. Trifo'lium Compound.

syrup containing in each fluid 3 the active principles of red clover gr. 32, stillingia, burdock, poke, berberis aquefolium and cascara amarga ää gr. 16, prickly-ash bark 4, potassium iodide gr. 8. Recommended in syphilis.. Dose 3j-ij. Unof. Trigem'inus (tri, gemini, double). The descriptive name of the fifth pair of nerves which divide each into three branches. Trigo'nè of Bladder. See Trigonum

Vesica. Trigo'num Vesicæ (yovia, a corner). The triangular surface of the bladder immediately behind the urethral orifice. Tri'labe (tpeus, haubavo, to grasp). An instrument with three prongs for withdrawing small calculi through the urethral passage. A lithotrite. Trimethyl'amine. A ptomaine occurring in animal and vegetable tissues. Has been obtained from leaves of Chenopodium, human urine, etc. Non-poisonous.





A ptomaine obtained, with other toxic bases, from the culture of the comma-bacillus on beef-broth. Causes violent convulsions and muscletremor. Trior'chid (Tpels, three, opx", a testicle).

Having three testicles. Tripier's Amputa'tion. In surgery, the horizontal section through the os calcis, leaving the upper part of this bone together with the astragalus. Trip'le Phos'phate. Ammonio-magnesic phosphate, a urinary precipitate when ammonia is set free by the decomposition of


Trochan'ter (Tpoxos, a wheel or pulley). The shoulders of the thigh bone. The major and minor processes at the extremity of the femur which receive the flexor and extensor muscles of the thigh. Troché, or Trochis'cus (Tpoxlokoç, a little wheel). A troche, pastile, tablet or lozenge. In pharmacy, a small flattened cake prepared from a mass of sugar and mucilage as an excipi. ent, with a prescribed medicinal substance. There are 16 official trochisci. Troch'lea (Tpoxos). A part or process having the nature of a pulley. T. of Humerus, an articulation at the extremity of the humerus over which a band of cartilage passes. Trochlea'ris (Tpoxos). Pertaining to the trochlea. Also, applied to the superior oblique muscle of the eye. Trom'mer's Test. A test for the presence of grape sugar or glucose. The liquid to be tested is filtered, and to the filtrate a solution of ammonio-cupric tartrate is added. If glucose be present the copper is precipitated in the form of a bright orange-red basic cuprous oxide. Boiling facilitates the precipitation, which is sometimes stubborn. Troph'ic (Tpoon, nourishment). Pertaining to the functions concerned in nutrition, digestion and assimilation. T. Centers, those regulating the nutrition of nerves, or through them, of organs. Trophoneuro'sis (Tpoon, vevpov, a nerve). Atrophic processes due to injury or perverted action of the nerves or nerve centers. Trophop'athy (Tpoon, tatos, disease). A

nutritional disorder. Trophoplasts (τροφη, πλασσω). The

granular bodies of the protoplast, their function being nutritional. Trop'ical Chloro'sis. See Anchylosto

miasis. Trop'ical Fruit Lax'ative. See Senna. Trousseau's Spots. Red spots of the skin following pressure. Trousseau's Symptom. Spasm or tetany

from pressure upon a nerve. True (A. S., trowe). The opposite of false. Organs functionally active or perfect. T. Ribs. See Ribs. Trum'pet Plant. Venus Fly-catcher, Huntsman's cup. The rhizome of Sarracenia flava ; common in Southern U. S. Of high repute in cure of diarrhea. Dose of fid. ext. mv-xv. Unof. Trun'cated (truncus). Deprived of limbs

or accessory parts. Trun'cus (Lat.). See Trunk.


Trip'let (tres, three, plica, a fold). Threefold. A series of three. In the plural, three offspring at one birth. Triplo'pia (Turloos, triple, wy, the eye). A form of polyopia, in which an object is seen as three. Trip'olith, or Trip'olite. A substance composed of lime, silicon and oxide of iron, sometimes used in dressings and bandages instead of plaster-of-Paris. Trip'sis (Tpißw, to rub). Same as Trit

uration. Tris'mus (tpicw, to gnash). Spasm of the muscles of mastication, the condition commonly called lockja a tetanic condition of the muscles of mastication. T., Traumatic, that resulting from wound or injury. See, also, Tic DoulouTrisplanch'nic (Tpeic, three, olayxvov, the viscera). The descriptive name of the sympathetic nerve, from the fact that it is connected with the viscera of the three largest cavities of the body. Triticum. Couch-grass. The rhizome of

T. repens deprived of its rootlets. Demulcent, emollient and feebly diuretic. A popular drink in light fevers. Efficacious in cystitis. Dose 31-3j in decoction; of the fld. ext., 31-3), diluted. Tritura'tion (tritus, a rubbing). The process of reducing a solid substance to a powdered state by grinding or rubbing. In pharmacy, a class of powders having sugar of milk as their diluent in the proportion of ten parts of the substance to 90 of the sugar. There is but one official trituration. Tro'car (Fr., trois-quarts, from its triangular point). An instrument used in paracentesis, or tapping a cavity, as in hydrocele. It consists of a perforator and a metal tube.


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Trunk. All of the body except the head and limbs. Applied, also, to the main stem or body of a nerve or vessel. Truss (Fr., trousse). An instrument for maintaining a part in proper position in hernia, and other malposition of organs. Tryp'sin. See Fermints. Tryptona'mia. See Peptonæmia. Tryp'tone. Pancreatic Peptone. Tu’bal (tubus, a pipe). Pertaining to the

oviduct. Tube (tubus). Applied to certain pipelike structures in the body, especially the oviducts, or Fallopian tubes. Used also of surgical instruments having a similar shape. T., Enterotomy, an instrument used in artificial anus to prevent protrusion of the gut. T., Eustachian, or Oto-pharyngeal, extends from behind the soft palate to the tympanum. T., Fallopian. See Oviduct. T., Lithotomy or Perineal, a form of instrument used in operations for calculi, etc. T., Stomach, a flexible tube for washing out the stomach, passed down the esophagus. Tube-casts. Microscopic casts of the renal tubules; indicative of kidney disease. Blood T.-C., composed of coagulated blood with corpuscles imbedded. They show that the hæmaturia originates in the sed structure of the

Epithelial T.-C., composed of plastic matter with imbedded cells, and denoting desquamative inflammation. Fatty T.-c., free fat globules in the coagulated matter, indicating fatty degeneration. Granular T.-C,. yellowish or opaque, mucoid or waxy. Hyaline T.-c., transparent, soft, delicate casts, called mucous casts; or, well detined, brittle, transparent, waxy casts—the latter indicative of serious nephritis. Tu'ber (Lat.). The enlarged root of certain plants; also, the generic name of plants with such a thickened root. Also used anatomically of any tuberosity or enlargement of a part. T. Cinereum, a prominence of the gray matter of the brain lying between the optic tracts and the corpora albicantia. Tu'bercle (tuberculum). In anatomy, an eminence or small process of a bone serving as the attachment of a muscle. In pathology, nodular masses of granular or caseated cells, of various sizes, constituting the affection called tuberculosis. T., Lower's, a small projection on the right wall of the auricle of the heart. Tuber'cula Quadrigem'ini. See Corpora.

Tuber'cular Disease of the Foot. A

disease known as Fungus Foot. Tuberculo'sis (tuberculum). The infectious disease commonly called consumption or phthisis when the lungs are the seat of the deposits, due to a specific bacillus and characterized by the formation of tubercles in various parts of the body. Tuber'culum. See Tubercle. Tuber'culum Seba'ceum. See Milium. Tuberos/ity (tuber, a swelling). In anatomy, any protuberance of a bone or process.

T. of Ischium, that part of the ischium on which the body rests when in a sitting posture. Tubo-ova'rian. Pertaining conjointly to

the Fallopian tubes and the ovaries. Tu'bular (tubulus, a small tube). Having the form of a tubulus. T. Glands, the glands occurring in mucous membrane of the small intestines. T. Membrane. See Neurilemma. Tu'bule, or Tu'bulus (dim. of tubus, a tube, pl. tubuli). A small tube. In anatomy, any minute tube-shaped structure. T., Dental, the tubular structure of the teeth. T. of Ferrein. See Pyramid. T. Lactiferi, the excretory ducts of the mammæ, 15-20 in number. T. Seminiferi, the tubular threads, arrange in fasciculi, which compose the substance of the testicle. T. Uriniferi, the urinary tubes of the kidneys. Beginning at the Malpighian capsules, each forms—Ist, a constricted neck; 2d, a wide canal, called the proximil convoluted tube ; 3d, a spiral tube, called the spiral tubule of Schachowa ; 4th, the narrow, straight tube, called the descending limb of Henle's loop; 5th, again enters the cortical structure as the ascending limb of Henle's loop. Tu'bus (tubus). A tube. T. Proximus

Convolutus. See Tubulus (Uriniferi). Tuft, Malpigh'ian. See Malpighian

Bodies. Tumefac'tion (tumeo, to swell, facio, to

make). A swelling or enlargement of a part arising from any cause. Tumes'cent (tumesco, to become swollen). Swelling or enlargement due to absorption of moisture. Tu'mor (tumeo). An abnormal enlargement of a part from any cause, but usually from a morbid growth. T., Floating, abdominal tumors that are movable or escape from the grasp, as a floating kid

T., Malignant, comprise Carcinomata and Epitheliomata. They are

ney, etc.




also classed as homologous or heterologous, solitary or multiple, primary or secondary, etc. T., Non- malignant, comprise most cysts, and solid tumors. T., Phantom, usually in hysterical patients, consisting of a muscular contraction, an

accumulation of flatus, etc., that disappears under an anæsthetic and during sleep. T., Semi-malignant or Recurrent, comprise Sarcomata, Myeloids, Fibroids. Hamilton's classification of tumors is appended:


| A. Simple Histoid :

Fibroma, Molluscum fibrosum, Neuroma) Mesohlastic and

(fibrous), Painful Subcutaneous Tuber- of fibrous-tissue Benign, cie,

B. Compound Histoid :-
Blood-angioma, Aneurism, Lymph-angi-

Neuroma (true),

C. Sarcomata :-

Round cell, Giant-cell (Myeloid), Gli-
Malignant, .

oma, Alveolar Sarcoma, Angeio-sar-
coma, Malignant Epulis, Melanotic Mesoblastic.
Sarcoma, Cylindroma, Lympho-sar-

coma, Psammoma (?), Usually Benign,

D. Epitheliomata :-
Papilloma, Adenoma,

Epiblastic, Hypo-
Cutaneous Horns,

blastic and Me Malignant, Carcinoma,

soblastic (?). E. Due to Microorganisms:

Tubercle, Lupus, Gumma (?), Condy.

Joma (?).

F. Anomalous Tumors :Malignant and Benign,. .

Cysts, Polypi.

Tumul'tus Sermo'nis. See Aphasia.
Tu'nica (L., a cloak). An enveloping or
covering membrane. T. Adventitia. See
Artery. T. Albuginea, the fibrous cover-
ing of the testis. Applied also to a ten-
dinous membrane of the sclerotic coat and
to the stroma of the ovary. T. Intima.
See Artery. T. Media. See Artery.
T. Mucosa, the mucous membrane of a
part. T. Ruyschiana, a name given to
the internal layer of the choroid coat of the
eye, consisting of a plexus of capillary ves-
sels. T. Vaginalis, a name given to the
serous coverings of the testis, and also to
the membranous sac (capsule of Tenon)
enveloping the eye. T. Vasculosa, the
vascular layer of the testis, called also the
pia mater of the testis.
Tun'nel-anæ'mia. See Anchylostomi-

Tu'pelo. See Tent.
Turbinated Bones (turba, a top). A
name given to the inferior bones, one on
each side of the outer wall of the nasal
Turges'cence (turgesco, to become
swelled). The swelling or enlargement
of an organ or part from any cause what-
Tur'gid (turgidus). Swollen.
Turkey Corn. See Corydalis.

Turmeric. The rhizome of Cucurma
longa. Aromatic and stimulant. The
coloring matter is used as a test for soluble
salts of boron. Dose of fld. ext. mxv-3j.
Turn'ing. See Version.
Tur'pentine. See Terebinthina.
Tus'sis (tussis). A cough.
Tutam'ina Oc'uli (tutamen, a safeguard,
oculus, the eye). The appendages of the
eyes—the lids, brows, lashes, etc.
Twin Leaf. The rhizome and rootlets of
Jeffersonia diphylla. Diuretic, alterative,
and antispasmodic; in large doses emetic.
Dose of Ald. ext. m xx-3). Unof.
Tylo'ma. See Callositas.
Tylo'sis (Tvíos, a callosity). A form of
blepharitis in which the lid-edge is thick-
ened and hardened. See, also, Callositas.
Tym'panic Bone (Tuutavov, a drum).

The thin roof or plate of bone separating the tympanic and cranial cavities. Tympani'tes (TvụTavov). The disease popularly known as “drum - belly." It consists of a distention of the abdominal

walls with air or gases. Tym'panum (Tvụtavov). The middle

The irregular cavity within the petrous portion of the temporal bone communicating with the pharynx through the Eustachian tube.



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