DRUM 



228 



DUCTUS 



Diet.), and Arthredema. D., Asthenic. See D., 

 Passive. D., Asthmatic, beriberi. D. of the Bile- 

 ducts, dilation of obstructed bile-ducts with pure bile 

 at first changing to a colorless mucoserous fluid contain- 

 ing little or no bile. D., Cachectic, that due to 

 cachexia and the consequent decrease of the albumin- 

 ous constituents of the blood and an increase of the 

 watery constituents. D., Cerebral. See Hydro- 

 cephalus (Illus. Diet.). D. of the Ear, an accu- 

 mulation of fluid in the tympanic cavity ; hydrotis. 

 D., Encysted. See Ascites saccatus. D. of the 

 Eye. See Hydrophthalmia (Illus. Diet.). D. of 

 the Fallopian Tube. See Hydrosalpinx (Illus. 

 Diet.). D., Febrile. See D., Acute. D., Fi- 

 brinous, dropsy with coagulated fibrin in the fluid. 

 D. of the Flesh. See Anasarca (Illus. Diet.). D., 

 Free, that occurring in one of the closed body-cavi- 

 ties. D. of the Gallbladder, dilation of the gall- 

 bladder with the secretion of the mucous glands and 

 with epithelium ; a very unusual condition due to ob- 

 literation of the cystic duct. D., General. I. Dropsy 

 of one or more of the large serous sacs of the body 

 combined with anasarca. 2. Superficial dropsy when 

 it affects the trunk and arms as well as the legs. D., 

 Glandular, that due to disease of the lymphatics. D. 

 of the Head. See Hydrocephalus (Illus. Diet.). D. 

 of the Heart. See D., Cardiac (Illus. Diet.). 

 D. of the Kidney. Synonym of Hydronephro- 

 sis. D. of the Larynx, edema of the glottis. D. 

 of the Lungs, pulmonary edema. D., Lymphatic, 

 infiltration of the tissues with lymph caused by ob- 

 struction of the lymphatics. D., Mechanical, that 

 due to mechanical obstruction of the veins or lymph- 

 atics. D., Omental, encysted ascites confined to the 

 omentum. D., Ovarian, ovarian cystoma. D. of 

 the Ovum. See Hydramnios (Illus. Diet.). D., 

 Passive. I. That due to obstruction of the veins or 

 lymphatics or to defective absorption. 2. See D., 

 Cachectic. D., Plethoric. See D., Acute. D. of 

 the Pleura, D., Pleural. See Hydrothorax (Illus. 

 Diet.). D. of Pregnancy. I. Edema of the legs and 

 feet of puerperal women, due to debility. 2. Dropsy 

 secondary to the albuminuria of pregnancy. D., 

 Pulmonary, D., Pulmonic, pulmonary edema. D., 

 Renal. I. Anasarca due to disease of the kidneys. 2. 

 Hydronephrosis. D., Salpingian, hydrosalpinx. D. 

 of the Skin, anasarca. D., Subchoroid, D., Sub- 

 sclerotic, extravasation of fluid between the choroid 

 and the sclera. D., Symptomatic, that said to be 

 induced when there is 6f of albumin in the blood 

 and a simultaneous occurrence of increase of arterial 

 pressure. D. of the Thoracic Cavity, D. of the 

 Thorax. See Hydrothorax (Illus. Diet.). D., 

 Tubal, hydrosalpinx. D. of the Tunica vaginalis 

 testis, hydrocele. D. of the Tympanum. See 

 Hydromyringa (Illus. Diet.). D., Urinal, hydrone- 

 phrosis. D. of the Ventricles, D., Ventricular, 

 internal hydrocephalus. D. of the Vitreous, hydroph- 

 thalmia. D., Wind. See Tympanites and Emphy- 

 sema (Illus. Diet.). 



Drum. (See Illus. Diet.) D. -cavity, the cavity of 

 the tympanum. 



Drummin {druiu'-in). See Drutnin (Illus. Diet.). 



Drumstick [drnm'-stik). A stick terminating in a 

 knob. The word is used to describe certain microbes, 

 clubbed organs, etc. D.-bone, the tibia. D. Fin- 

 ger. Sec Clubbed Fingers (Illus. Diet.). 



Dualist (du'-al-ist). A believer in dualism. 



Duane's Test. See under Deviation. 



Duboisin. (Sec Illus. Diet.) It is used as a mydri- 

 atic; also as a hypnotic and sedative in epilcpsv. 

 Dose, g'o-s'fl gr. (0.0008-0.002 gm.). Antidotes: 



emetics, pilocarpin, muscarin. D. Hydrobromate, 

 a yellowish powder soluble in water and in alcohol. 

 Dose and uses the same as duboisin. D. Hydro- 

 chlorate, a yellowish hygroscopic powder or a syrup ; 

 soluble in water and in alcohol. Usage and dose as 

 duboisin. D. Salicylate, a yellowish powder solu- 

 ble in water and alcohol ; it is used as a mydriatic in 

 o.z c / c to 0.8% solution. D. Sulfate, a yellowish 

 powder soluble in water and in alcohol ; it is used as 

 a mydriatic in aqueous solution (0.065 g m - *° 3° c-c). 



Da Bois Reymond Inductorium. See under Indue- 

 torium. D.-R. Key. See under Key. 



Duct. (See Illus. Diet.) D., Blasius' (Blaes). See 

 D , Stensoii 1 s (Illus. Diet.). D., Common Semi- 

 nal. See D., Ejaculatory (Illus. Diet.). D., Cow- 

 perian, the efferent duct of Cowper's gland. D., 

 Galen's. See Ductus arteriosus (Illus. Diet. ). D., 

 Gasserian. See D. of Midler (Illus. Diet.) D., 

 Primitive Kidney. See D., Segmental (Illus. Diet.). 

 D., Rathke's, that portion of Midler's duct which 

 intervenes between the latter and the sinus pocularis, 

 and may persist after birth as a patulous duct. D., 

 Reichel's Cloacal, in the embryo, the narrow cleft 

 separating Douglas's septum from the cloaca. D., 

 Salivary, a duct of any salivary gland. D.s, Seli- 

 vary. See D. of Wharton, D. of Stenson, and D.s, 

 Sublingual (Illus. Diet.). D., Salivary, Inferior, 

 Wharton's duct. D., Salivary, Superior, Stenson's 

 duct. D.s, Schueller's, the ducts of Skene's glands. 

 D.s, Skene's. See Glands, Skene 1 s (Illus. Diet.). 

 D.s, Stomach. See Pit, Stomach (2) (Illus. Diet.). 

 D., Submaxillary. See D. , II barton's (Illus. 

 Diet). D., Umbilical. See D., Vitelline (Illus. 

 Diet.). D., Utriculosaccular. See D., Sacculo- 

 utrictdar (Illus. Diet.). D.s, Walther's, the ducts 

 of the accessory sublingual glands. 



Ductile (du//-til) [ducere, to lead]. Susceptible of 

 elongation or of change of shape. 



Duction (duk'-shun) [ducere, to lead]. A colloquial- 

 ism used to represent one or more of the terms, ab- 

 duction, adduction, or sursumduction. 



Ductor (du/c'-tor) [ducere, to lead]. A surgical instru- 

 ment used as a guide or in making traction. 



Ductus [pi., ductus]. (See Illus. Diet.) D. eus- 

 tachii. See Canal, Eustachian (Illus. Diet. ). D. fer- 

 reinii. See Canal, Eerrein's (Illus. Diet.). D. ja- 

 cobsonianus, D., Jacobson's. See Canal, 'J'ym- 

 panic (Illus. Diet.). D. meseraicus, the vitelline 

 duct. D. pancreaticus azygos, the accessory pan- 

 creatic duct. D. pancreaticus minor, D. pancre- 

 aticus recurrens, D. pancreaticus Santorini, D. 

 pancreaticus secondarius, D. pancreaticus supe- 

 rior. See D. , Pancreatic Accessory (Illus. Diet.). D. 

 papillares, the uriniferous tubules. D. perilymph- 

 aticus, the aqueduct of the cochlea. D. rosentha- 

 lianus, the accessory pancreatic duct. D. Rosen- 

 thali spiralis. See Canal, Spiral, of the Modiolus 

 (Illus. Diet.). D. semicirculares, D. semicircu- 

 lares membranacei, D. semicirculares ossei. See 

 Canals, Semicircular (Illus. Diet.). D. semicircu- 

 laris anterior, D. semicircularis frontalis, the su- 

 perior semicircular canal. D. semicircularis hori- 

 zontalis, the external semicircular canal. D. semi- 

 circularis inferior, D. semicircularis sagittalis, 

 the posterior semicircular canal. D. semicircularis 

 lateralis, the external semicircular canal. D. semi- 

 nales, D. seminiferi, the seminiferous tubules. D. 

 spirales (cochleae). See Canal. Spiral (of the coch- 

 lea) (Illus. Diet.). D. sublinguals minores, 

 the ducts of Rivini. D. sublingualis major. Sefl 

 Duct of Bartholin (Illus. Diet.). D. thoracicus 

 dexter. See Duct, Lymphatic, Right (Illus. Diet. ■ 





