Robert Bennett Bean 



325 



TADLI-: 18. 

 McscLES Slpi-lied by the subclavian Auteuy, with the Branches Supplying Them. 



Almost constant. 



M . plati/siiKi : 

 f A. cervicalis superficialis. 

 1 A. cervicalis asceudens. 



A. thyroidea inferior. 



Frequent ^ ^- transversa scapulae. 



A. transversa colli. 



Occasional . 



Constant J 



Frequent. 



Occasional. 



A. subclavia. Part I. Twigs. 

 1 Truucus tliyreo-cervicalis. Twigs. 



M. trapezius : 



R. ascendens transversa colli. Two or more large branches 

 passing between trapezius and rhomboids. 



R. descendens transversa colli. Several small branches. 

 Some twigs after passing rhomboids. 



A. cervicalis superficialis. Several small branches. 



A. transversa scapulae. One large branch just at bend to 

 drop over scapula. 



A. cervicalis ascendens. Small branches. 

 A. suliclavia. Small branches. 



Constant. 



M. rhomboids, and scrratus posienor: 



Tr. descendens transversa colli. One large branch under 



\ rhomboids (anterior), and several smaller ones into 



the muscles. 

 Frequent Jk. ascendens transversa colli from inferior branch be- 



i tween rhomlwids and trapezius. 



f^A. cervicalis superficialis. Small branch or branches. 



Occasional J A. cervicalis profunda. Small branch or branches. 



I A. subclavia. Small branch or branches. 



M. levator scapuhv: 



{R. ascendens transversa colli. Small branches. 

 R. descendens transversa colli. Small branches. 

 A. cervicalis superficialis. Small branches. 



Frequent A. cervicalis ascendens. One large, several small branches. 



Occasional A. transversa scapula;. Small branch. 



j^are A. cervicalis profunda. Small branch. 



M. ser)-atus anterior: 



Constant R- descendens transversa colli. Small branches. 



Frequent R. ascendens transversa colli. Small branches. 



Occasional A. transversa scapulae. Small branches. 



M. siipraspinatus: 



J A. transversa scapulae. One large branch. 

 \_R. descendens transversa colli. Several small branches. 



Occasional A. circumflesa scapulae. One large branch. 



Constant. 



