336 



OUR BODIES AND HOW WE LIVE 



Fer'men-ta'tion (Lat. fermentum, 

 leaven). An effervescent change, 

 as by the action of yeast ; in a 

 wider sense, the change of organic 

 substances into new compounds 

 by the action of a ferment. It 

 differs in kind according to the 

 nature of the ferment. 



Fi-briHa (Lat. dim. oifibra, a fiber). 

 A little fiber ; one of the longitudi- 

 nal threads into which a striped 

 muscular fiber can be divided. 



Fi'brin (Lat. fibra, a fiber). A pro- 

 teid substance contained in the 

 flesh of animals, and also pro- 

 duced by the coagulation of blood. 



Forii-cle (Lat. folliculus, dim. of 

 follis, a bag). A little pouch or 

 depression, as the hair follicle. 



Fo'men-ta'tion (Lat. f amentum, a 

 warm lotion or poultice). The 

 application of heat and moisture 

 to a part to relieve pain and reduce 

 inflammation. 



Fo-ra'men (Lat. forare, to pierce). 

 A hole, or an aperture. 



Fron- tal si'nus (Lat. frons, the fore- 

 head). A blind or closed cavity 

 in the bones of the skull just over 

 the eyebrows. 



Fu'mi-ga'tion (Lat. fumigare, to 

 smoke). Disinfection by means 

 of a vapor. 



Func'tion (Lat. fungi, to perform). 

 The normal or special action of 

 a part. 



Gan'gli-on (Gr. ydyy\iov, a tumor 

 on or near a tendon). A collec- 

 tion of nerve cells. 



Gel'a-tin (Lat. gelare, to congeal). 

 An albuminoid substance which 

 dissolves in hot water and forms 

 a jelly on cooling. 



Germ (Lat. gerrnen, a sprout, bud). 

 A portion of matter capable of 

 developing into a living organism, 

 a microorganism. 



Ger'mi-cide (germ and Lat. caedere, 

 to kill). An agent which destroys 

 germs, especially bacteria. 



Gland (Lat. glans, an acorn). An 

 organ consisting of one or more 

 follicles and ducts, with numer- 

 ous blood vessels interwoven. 



GlOt'tis (Gr. 7\wrra, the tongue). 

 The space between the vocal 

 cords. 



Glu'cose' (Gr. y\vi<fa, sweet). A kind 

 of sugar found in fruits, also 

 known as grape sugar. 



Gly'co-gen (Gr. y\vi<fa, sweet, and 

 -yeviris, producing). A substance 

 belonging to the carbohydrates, 

 found especially in the liver ; also 

 known as animal starch. 



Hem'i-sphere (Gr. ^/-u-, half, and 

 <r<paipa, a sphere). Half a sphere ; 

 the lateral halves of the cerebrum. 



Hem'or-rhage (Gr. afyea, blood, and 

 prjyvfoai, to burst). Bleeding, or 

 the loss of blood. 



He-pat'ic (Gr. rjirap, the livef). Per- 

 taining to the liver. 



He-red'i-ty (Lat. hereditas, heir- 

 ship). The predisposition or ten- 

 dency derived from one's ancestors 

 to definite physiological actions 

 or anatomical peculiarities. 



