HYDROCYSTOMA 



298 



HYDRORENAL 



hydrocyanic acid ; in acute cases marked by loss of 

 consciousness and a sudden fall, generally by cramp, 

 cyanosis, and paralysis. 



Hydrocystoma (hi-dro-sis-tc/ -mah). See Hidrocystoma 

 (Illus. Diet.). 



Hydrodiarrhea (hi-dro-di-ar-e'-ah) \ii6up, water; diar- 

 rhea]. Serous diarrhea. 



Hydrodiascope (hi-dro-di' -as-kop) \y6up, water; Sid, 

 through; oiconeiv, to view]. A device shaped like a 

 pair of spectacles, consisting of two chambers filled 

 with physiologic salt solution, worn to correct kerato- 

 conus and astigmia. 



Hydrodiffusion (hi-dro-dif-u'-shun). The physical 

 admixture of two fluids of different densities. 



Hydrodynamics (hi-dro-di-nam'-iks) \v6up, water; 

 6'vvap.ic, power]. The branch of mechanics treating 

 of fluids in motion. 



Hydroelectrization (hi-dro-e-lek-tri-za'-shun). Elec- 

 trization in which water is used as an electrode. 



Hydroencephalocele (hi-dro-en-sef-al' -o-sll). See 

 Hydrencephalocele (Illus. Diet.). 



Hydroenterocele (hi-dro-en-ter' '-o-sll). See Hydren- 

 terocele (Illus. Diet.). 



Hydroepigastrium. See Hydrepigastrium. 



Hydroepiplocele (hi-dro-ep-ip -lo-sll). An epiplocele 

 with water in the sac. 



Hydroexostosis (hi-dro-eks-os-to'-sis). An exostosis 

 accompanied by an accumulation of water. 



Hydroferrocyanate, Hydroferrocyanid (hi-dro-fer-o- 

 si'-an-dt, -id). A compound of hydroferrocyanic 

 acid with a base. 



Hydrofluate (hi-dro-flu'-at). A salt of hydrofluoric 

 acid. 



Hydrofluosilicate (hi-dro-Jlu-o-sil'-ik-at). A salt of 

 hydrofluosilicic acid. 



Hydrogalvanic (hi-dro-gal-van' -ik) . Relating to gal- 

 vanism developed by action of fluids. 



Hydrogaster (hi-dro-gas' -tur) [vdup, water; yaarrjp, 

 stomach]. Ascites. 



Hydrogastria (hi-dro-gas' -tre-ak). A gastric disorder 

 from fluid due to the esophageal and pyloric orifices 

 being constricted. 



Hydrogel (hi' dro-jel). An inorganic colloid. 



Hydrogen. (See Illus. Diet.) H. Arsenid, a com- 

 bination of hydrogen and arsenic forming a solid, As 2 - 

 H, also a highly toxic gas, AsH s , with odor of garlic 

 and burning with a green flame. Syn. , Arsenamin ; 

 Arsin. H. Diammonium Phosphate. See Am- 

 monium Phosphate, Dibasic. H. Persulfid, H 2 S.,, a 

 heavy, yellow oil with foul, pungent odor and acrid 

 taste, giving off irritating vapors. It bleaches organic 

 coloring-matters and is a powerful antiseptic. H. 

 Selenid, a foul-smelling gas, H 2 Se, the inhalation 

 of a small quantity of which destroys the sense of smell 

 for hours, attacks the eyes, and causes severe coryza 

 and coughing which endures for days. 



Hydrogenation (hi-dro-jen-a'-shun). The process of 

 causing a combination with hydrogen. 



Hydrogenoid (hi-droj'-en-oid) [wJwp, water; yevvav, 

 to produce; eufoc, likeness]. Applied to a constitu- 

 tion or temperament intolerant of moisture. 



Hydrogenous (hi-droj'-en-us). Relating to hydrogen. 



Hydrogerous (hi-droj'-ur-us) [yAup, water; gerere, to 

 bear]. Containing or bearing water. 



Hydrogol (hi'-dro-gol). A proprietary preparation said 

 to be an aqueous solution of colloidal silver. It is used 

 in gonorrhea. 



Hydrokinetics (hi-dro-kin-et'-iks)\vAup, water; tuviiv, 

 to set in motion]. The science of the motions of fluids 

 and the causative forces. 



Hydrokonion. See Hydroconion. 



Hydroleate (hi-dro'-le-dt). A salt of hydroleic acid. 



Hydrolysis (hi-dro/'-is-is) [ydup, water ; Xveiv, to 

 loose]. The decomposition of water. 



Hydromediastinum (hi-dro-med-e-as' -tin-um) \y6up, 

 water; mediastinum"]. A serous effusion into the 

 mediastinum. 



Hydromeninx (hi-dro-men' '-inks) [ydup, water ; uijviyl-, 

 membrane]. Dropsy of the membranes of the brain. 



Hydromyelocele (hi-dro-tni-el'-o-sil) [i)6up, water; 

 ftve/.og, marrow; noi'Aia, cavity]. I. Excessive ac- 

 cumulation of fluid in the central canal of the spinal 

 cord. 2. A variety of spina bifida in which remains of 

 the spinal cord cover the tumor. 



Hydromyoma (hi-dro-mi-o'-mah) \_v6iop, water; myo- 

 ma]. A cystic myoma containing serous fluid. 



Hydronephrectasia (hi-dro-nef-rek-ta'-ze-ah) [ydop, 

 water; ve<pp6c, a kidney ; kuraotr, distention]. Dropsi- 

 cal enlargement of the kidney. 



Hydronephros (hi-dro-nef -ros) [ydup, water; VEcppog, 

 kidney]. I. A dropsical kidney. 2. Hydronephrec- 

 tasia. 



Hydrooligocythemia (hi- dro - ol- ig- o-si-the '-me - ah ) 

 [v6up, water; b/uyoc, few; kvtoc, cell; al/ua, blood]. 

 A form of secondary anemia in which there is an in- 

 crease in the proportion of the serum to the corpuscles 

 of the blood. 



Hydroparasalpinx (hi-dro-par-ah-sal' '-pingks) [i<6up, 

 water; nupd, beside; oaAirivi;, tube]. An accumula- 

 tion of water in the accessory tubes of the oviduct. 



Hydroperione (hi-dro-per'-e-on) [y6o>p, water; Kepi, 

 around; uov, ovum]. A seroalbuminous liquid de- 

 scribed by Breschet existing between the decidua vera 

 and the decidua reflexa and believed to nourish the 

 embryo at an early period. 



Hydroperipneumonia ( hi- dro- per- e- nu- mo'- tie- ah ) 

 [i(5cjp, water; irepi, around; nvev/nov, a lung]. Pneu- 

 monia with pleural effusion. 



Hydroperitonitis (hi-dro-per-it-on-i' -tis). Peritonitis 

 attended with watery effusion. 



Hydroperoxid (hi-dro-pur-oks'-id). Hydrogen per- 

 oxid. 



Hydrophlogosis (hi-dro-flo-go' -sis) [yfiup, water; 

 ty'Aoyooic. a burning], inflammation attended with 

 serous effusion. 



Hydrophore (hi' -dro-/ or) [ydup, water; oopelv, to 

 bear]. An apparatus consisting of a short grooved 

 catheter used as an irrigating dilator of the urethra. 



Hydrophorous (hi-drof'-or-us). Hygroscopic. 



Hydropleuria (hi-dro-plu'-re-ah). See Hydrothorax 

 (Illus. Diet). 



Hydropleuritis (hi-dro-plu-ri'-tis). Pleurisy attended 

 with effusion. 



Hydropneumatic (hi-dro-nu-mat'-ik) [vdup, water; 

 nvevpa, air]. Relating to water and air. 



Hydropoid (hi'-dro-poid) [vtipuij>, dropsy; difoc, like- 

 ness]. Dropsical. 



Hydropotherapy (hi-dro-po-tlier' -ap-e) [Mpuf. dropsy; 

 thpmrda, therapy]. The therapeutic use of ascitic fluid. 



Hydrops. (See Illus. Diet.) H. ex vacuo, a condi- 

 tion arising from past inflammation leaving the lung 

 unable to expand and the space between the con- 

 tracted lung and the chest-wall filled with fluid. H. 

 ovarii profluens, an evacuation of a true ovarian cyst 

 through the tube into the uterus. H. tubae profluens, 

 hydrosalpinx in which the watery discharges are said 

 to occur from the uterus and vagina, in gushes, the 

 uterine end of the tube from time to time allowing the 

 pa-sage of the fluid. | Roberta.] 



Hydropyonephrosis (hi-dro-pi-o-nef-ro'-sis) [M«.>/>, 

 water; rrrnv, pus; vcpp6r, kidney]. Distention of the 

 pelvis of the kidney with urine and pus. 



Hydrorenal (lii-dro-re'-nal) [Mup, water; ren, kid- 

 ney]. Relating to dropsy of the kidney. 



