Hy-dro-pho´bi-a (Gr. ὕδορ, hudor, water, and φοβέω, phobeo, to fear). A disease caused by the bite of a rabid dog or other animal. In a person affected with it, convulsions are occasioned by the sight of a glittering object, like water, by the sound of running water, and by almost any external impression.
Hy´gi-ene (Gr. ὑγίεια, huygieia, health). The art of preserving health and preventing disease.
Hy´per-o-pi-a. Abbreviated from Hy´per-met-ro´pi-a (Gr. ὑπέρ, huper, beyond, μέτρον, metron, the measure, and ὤψ, ops, the eye). A defect of vision dependent upon a too short eyeball; so called because the rays of light are brought to a focus at a point behind the retina; the true "far sight."
In-ci´sor (L. inci´do, to cut). Applied to the four front teeth of both jaws, which have sharp cutting edges.
In´cus (L). An anvil; the name of one of the bones of the middle ear.
In-sal-i-va´tion (L. in, and sali´va, the fluid of the mouth). The mingling of the saliva with the food during the act of chewing.
In-spi-ra´tion (L. in, and spi´ro, spira´tum, to breathe). The act of drawing in the breath.
In-teg´u-ment (L. in, and te´go, to cover). The skin, or outer covering of the body.
In-tes´tine (L. in´tus, within). The part of the alimentary canal which is continuous with the lower end of the stomach; also called the intestines, or the bowels.
I´ris (L. i´ris, the rainbow). The thin muscular ring which lies