344 Life and Health 



Fu'mi-ga'tion (Lat. fumigare, to smoke). Disinfection by means of a 



vapor. 

 Func'tion (L&t.funcfw, a doing). The normal or special action of a part. 



Gan'gli-on (Gr. ydyy\iov, a knot). A collection of nerve cells. 



Gel'a-tine (Lat. gdarc, to congeal). An albuminoid substance which dis- 

 solves in hot water and forms a jelly on cooling. 



Germ (Lat. germen, a sprout, bud). A portion of matter capable of devel- 

 oping into a living organism, a micro-organism. 



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 numerous blood vessels interwoven. 



Glot'tis (Gr. y\uTTa, the tongue). The space between the vocal cords. 



Glu'cose'. A kind of sugar found in fruits, also known as grape sugar. 



Gly'co-gen (Gr. y\vi<fa, sweet, and yevfa, producing). A substance 

 belonging to the carbohydrates, found especially in the liver; also 

 known as animal starch. 



Gust'a-to-ry (Lat. gustare, to taste). Belonging to the sense of taste. 



Haem'o-glo'bin (Gr. of/ia, blood, and Lat. globus, a globe or globule). A 

 complex proteid substance which forms the principal coloring con- 

 stituent of the red corpuscles of the blood. 



Hem'i-sphere (Gr. ^-, half, and <r0cupa, a sphere). Half a sphere, the 

 lateral halves of the cerebrum, or brain proper. 



Hem'or-rhage (Gr. afca, blood, and p-fiyvvfu, to burst). Bleeding, or the 

 loss of blood. 



He-pat'ic (Gr. fjirap, the liver). Pertaining to the liver. 



He-red'i-ty (Lat. hereditas, heirship). The predisposition or tendency 

 derived from one's ancestors to definite physiological actions or ana- 

 tomical peculiarities. 



Hilum, sometimes written hilus. A small fissure, notch, or depression, 

 a term applied to the concave part of the kidney. 



Ho'mo-ge'ne-ous (Gr. 6/*6s, the same, and ytvos, kind).. Of the same kind or 

 quality throughout; uniform in nature, the reverse of heterogeneous. 



Hu'mor. The transparent contents of the eyeball. 



Hy'a-line (Gr. vaXos, glass). Glass-like, resembling glass in transparency. 



Hy'dro-gen. An elementary gaseous substance, which, in combination 

 with oxygen, produces water. 



Hy / dro-pho'bi-a (Gr. v8wp, water, and <f>optofjuti, to fear). A disease caused 

 by the bite of a rabid dog or other animal. 



