474 GLOSSARY 



Az'ygos. [From the Gr. a, " without," and zygos, a " yoke."] Without 

 a fellow ; hence, unpaired, single. 



Bi'ceps. [From the Lat. bis, " twice," and caput, the " head."] A term 

 apiilicd to muscles having a double origin or two heads. 



Bicus'pid. [From the Lat. bis, " twice," and cuspis, the " point of a 

 spade."] Having two points or flaps. 



Blas'toderm. [From the Gr. blastos, a " bud," and derma, " skin."] The 

 primitive membrane or layer of cells resulting from the subdivision 

 of the germ. 



Brach'ial. [From the Lat. brachium, the " arm."] Belonging to the arm. 



Brachio-cephal'ic. [From the Lat. brachium, the " arm," and cephalicus, 

 " of or pertaining to the head."] Of or pertaining both to the upper 

 arm and the head ; as the brachio-cephalic (innominate) artery and 

 veins. 



Bron'chi, pi. of Bronchus. [From the Gr. bronchos, the " wind pipe."] The 

 two main branches of the trachea. 



Bron'chioles. A small bronchial tube. 



Buc'cal. [From the Lat. bucca, the " cheek."] Pertaining to the mouth 

 or cheeks. 



Buc'cinator. [From the Lat. buccinare, " blow a trumpet."] The trum- 

 peter's muscle. A thin, flat muscle that helps to form the wall of 

 the cheek. 



Bur'sal. [From the Gr. bursa, a " bag."] Pertaining to bursce, mem- 

 branous sacs. 



But'tock. The part at the back of the hip, which in man, forms one of 

 the protuberances on which he sits. 



Butyr'ic Acid. [From the Lat. butyrum, " butter."] A colorless liquid 

 having a strong rancid smell and acrid taste. C3H7COOH. 



Cae'cum. [From the Lat. ccecus, " bUnd."] The blind gut. 

 Calca'neum. [From the Lat. calx, the " heel."] The bone of the heel. 

 Cal'culi, pi. of Cal'culus. [From the Lat. calculus, " a pebble."] Stones. 

 Caly'ces, pi. of Ca'lyx. [From the Gr. kalyx, a " cup."] Anatomists 



have given this name to small cup-Uke membranous canals, which 



surround the papillae of the kidney, and open into its pelvis. 

 Canalic'ulus, pi. Canalic'uli. [Dim. of Lat. canalis, a " channel."] A 



small channel, or vessel. 

 Can'cellated. [From the Lat. canccZ/MS, " lattice-work."] A term used 



to describe the spongy lattice-work texture of bone. 



