326 GLOSSARY 



A-or'ta (Greek aorte, the great artery), the great vessel which con- 

 ducts blood from the left ventricle of the heart. 



Ap-pend'i-ci'tis (Latin appendere, to hang), a disease of the vermi- 

 form appendix. 



A'que-ous hu'mor (Latin aqua, water, and humor, moisture), the 

 liquid between the crystalline lens and the cornea of the eye. 



Ar'gon (Greek, inactive), an element contained in the atmosphere 

 and remarkable for its chemical inertness. 



Ar'ter-y (Latin arteria, windpipe), a vessel which carries blood 

 away from the heart. The ancient anatomists supposed the 

 arteries to contain air, hence the name. 



Au'ri-cle (Latin auricula, diminutive of auris, ear), the upper one 

 of the two chambers of the heart, so called from its resem- 

 blance to the ear. 



Ba-cil'lus, pi. bacilli (Latin bacillum, diminutive of baculum, stick), 

 a microscopic rod-shaped bacterium. 



Bac-te'ri-um, pi. bacteria (Greek bakterion, staffer rod), a microscopic 

 vegetable organism found in decaying organic matter. 



Bi'ceps (Latin bis* two, and caput, head), a muscle of the upper arm 

 which serves to bend the arm at the elbow. 



Bi-cus'pids (Latin bis, two, and cuspis, point), the double pointed 

 teeth between the canines and the molars. 



Bile (Latin bilis), a fluid secreted by the liver and poured into the 

 intestines. 



Bron'chi (Greek bronchos,, windpipe), the t\vo large branches of the 

 trachea. 



Bron-chi'tis (Greek bronchos, windpipe), an inflammation of the 

 mucous lining of the bronchial tubes. 



Ca-nine' (Latin canis, dog), the sharp, pointed teeth between the 

 incisors and the bicuspids ; so named because they are promi- 

 nent in the dog. 



Cap'il-la-ry (Latin capillus, hair), the small, hairlike blood vessels 

 that connect the arteries and veins. 



Car'di-ac (Greek kardia, heart), pertaining to the heart. 



Car'pal (Latin carpus, wrist), pe/taining to the wrist. 



Car'ti-lage (Latin cartilago, bristle), a smooth, solid, elastic con- 

 nective tissue found between bones, and forming certain 

 organs, as the trachea, larynx, etc. 



Ca-tarrh', an inflammation of the mucous membrane of the nose. 



