258 GLOSSARY. 



tween 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-RESTH (Gr. A.afivpir$o$, labunn'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. Hdpvy$ 9 larunx, the larynx, and tino-tea), 



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 sub- 

 stance so shaped as either to converge or disperse the rays of light. 

 I jo A-MENT (L. I? 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. 



LYMPH (L. lym'pha, spring-water). The colorless, watery fluid con- 

 veyed by the lymphatic vessels. 



LYM-PHAT'IC VESSELS. A system of absorbent vessels. 

 MAL'LE-US (L.). Literally, the mallet; one of the small bones of the 



middle ear. 

 MAR'ROW. The soft, fatty substance contained in the central cavities 



of the bones : the spinal marrow, however, is composed of nervous 



tissue. 



MAS-TI-CA'TTON (L. mas'tico, to chew). The act of cutting and grind- 

 ing the food to pieces by means of the teeth. 

 ME-DUL'LA OB-LON-GA'TA. The " oblong marrow," or nervous cord. 



which is continuous with the spinal cord within the skull. 

 MEM-BRA'NA TYM'PAN-I (L.). Literally, the membrane of the drum ; 



a delicale partition separating the outer from the middle ear; it is 



sometimes incorrectly called the drum of the ear. 

 MEM'BRANE. A thin layer of tissue serving to cover some part of 



the body. 

 MI'CRO-SCOPE (Gr. yutx/oo?, mflf.rn*) small, and ^H^TTSGOJ skopeo^ to 



