GLOSSARY. 363 



passing through the diaphragm into the pure water upon which the 

 dialyzer rests. 



Digastric (di-gas'-trik). Having two bellies, as the digastric muscle, 

 enlarged near each end and with a tendon in the middle. 



Duodenum (du-o-de'-num). The first part of the small intestine, begin- 

 ning with the pylorus. 



Emulsion (e-mul'-shun). Water or other liquid in which oil, in minute 

 subdivision of its particles, is suspended. 



Enamel (en-am'-el}. The hard covering of the crown of a tooth. 



Endot helium (en-do-the'-li-um). The internal lining membrane of 

 serous, synovial, and other internal surfaces, the homolog of epi- 

 thelium. 



Enzyme (en'-zim). Any chemic or hydrolytic ferment, as distinguished 

 from organized ferments such as yeast; unorganized ferment. 



Epiglottis (ep-i-cjlot'-is}. A thin nbro-cartilaginous valve that aids in 

 preventing food and drink from passing into the larynx. 



Esophagus (e-sof-a-gus}. The musculo-membranous tube extending 

 from the pharynx to the stomach. 



Eustachian (u-sta'-ki-an). Eustachian tube, the tube leading from the 

 middle ear to the pharynx. 



Facet (fas'-et). A small plane surface. The articulating surface of a 

 bone. 



Femur (/e'-raer). The thigh-bone. 



Ferment (/er'-raen). Any micro-organism, proteid, or other chemic 

 substance capable of producing fermentation, i.e., the oxidation 

 and disorganization of the carbohydrates. 



Fibrin (fi'-brin). A native albumen or proteid, a substance that, be- 

 coming solid in shed blood, plasma, and lymph, causes coagulation 

 of these fluids. 



Fibula (fib'-u-la). The smaller or splint bone in the outer part of the 

 leg, articulating above with the tibia, and below with the astraga- 

 lus and tibia. 



Filiform (fll'-i-form). Thread-like, as the filiform papillae. 



Frontal (fron'-tal). Belonging to the front, as the frontal bone. 



Fungiform (fun'-ji-form). Having the form of a mushroom, as fungi- 

 form papillae. 



Ganglion (gang'-gli-on\ pi. ganglions or ganglia. A separate and semi- 

 independent nervous center, communicating with other ganglia or 

 nerves, with the central nervous system, and peripheral organs. 



