between the cornea and crystalline lens, and which gives the eye its brown, blue, or other color.

Ju´gu-lar (L. ju´gulum, the throat). The name of the large veins which run along the front of the neck.

Lab´y-rinth (Gr. λαβύρινθος, laburin´thos, a building with many winding passages). The very tortuous cavity of the inner ear, comprising the vestibule, semicircular canals, and the cochlea.

Lach´ry-mal Apparatus (L. lach´ryma, a tear). The organs for forming and conveying away the tears.

Lac´te-als (L. lac, lac´tis, milk). The absorbent vessels of the small intestines; during digestion they are filled with chyle, which has a milky appearance.

La-ryn´go-scope (Gr. λάρυγξ, larunx, the larynx, and σκοπεω, skopeo, to look at). The instrument by which the larynx may be examined in the living subject.

Lar´ynx (Gr.). The cartilaginous tube situated at the top of the windpipe, or trachea; the organ of the voice.

Lens (L.). Literally, a lentil; a piece of transparent glass or other substance so shaped as either to converge or disperse the rays of light.

Lig´a-ment (L. li´go, to bind). A strong, fibrous material binding bones or other solid parts together; it is especially necessary to give strength to joints.

Lig´a-ture. A thread of silk or other material used in tying around an artery.