388 



THE SUBCLAVIAN ARTERY. 



Avhile the artery more frequently tnrns over to it to enter the supra- 

 spinous fossa, where, lyhig close to the bone, it gives off branches which 

 ramifv in the fossa beneath the supraspiuatus muscle, and sends a small 



FiT 257. ^^S- 257.— View of 



°' ■" * THE Anastomoses 



OF ARTEKIES OS 



THE Shoulder 

 A2ID Dorsum op 

 THE Scapula (from 

 Tiedemann). 3 



a, sterno-mastoid 

 muscle ; b, trapezius 

 turned towards the 

 left side ; c, splenius 

 capitis, and below it 

 splenius colli ; d, 

 levator anguli sca- 

 pul?e ; e, serratus 

 posticus superior ;/, 

 rhomboideus minor, 

 and g, rhomboideus 

 major, divided from 

 the base of the sca- 

 pula ; h, teres major, 

 i, teres minor ; I:, 

 scapular head of the 

 triceps brachii ; I, 

 serratus magnus ; m, 

 latissimus dorsi ; n, 

 deep surface of the 

 deltoid muscle turned 

 down ; 0, portion of 

 the infraspinatus 

 muscle attached to 

 the great tuberosity 

 of the humerus, the 

 rest having been re- 

 moved from the in- 

 fraspinous fossa ; 1, 

 occipital artery ap- 

 pearing between the 

 trapezius and sterno- 

 mastoid muscles ; 2, 

 superficial cervical 

 branch of the trans- 

 verse cervical artery ; 

 2', 2', posterior sca- 

 pular artery ; 2 + , 

 its supraspinous 



branch ; 3, supra- 

 scapular artery ; 3', 

 the same after pass- 

 ing through the sca- 

 pular notch into the 

 infraspinous fossa, 

 where it anastoraoseB 

 with 4, the dorsal 

 •„„„ct .£ fte subscapular arte, . 4yrfe,i.rs»^^^^^^^^^ 



