DISSECTION OF THE HEAD AND NECK 



215 



Veins. (Vide Fig. 87, p. 206.) 



(a) External jugular vein (V. jugularis externa). 



(b) Transverse vein of scapula (V. transversa scapulae) (0. T. supra- 



scapular). 



(c) Transverse vein of neck (V. transversa colli). 



(d) Subclavian vein (V. subclavia). 



ci 



Plexus cervicobrachialis. (After P. Eisler, from Rauber's Text-Book.) Ventral view. 

 h, N. hypoglossus; dh, ramus descendens N. hypoglossi, which, along with dc, the ramus de- 

 scendens cervicalis, forms the ansa hypoglossi ; am, N. occipitalis minor ; au, N. auricularis magnus ; 

 sec, N. cutaneus colli ; a, to N. accessorius ; spc, Nn. supraclaviculares ; p, N. phrenicus ; ds, N. dorealis 

 scapulae; sps, N. suprascapularis ; ss, Nn. subscapulares ; sc, N. subclavius; ax, N. axillaris; co, N. 

 to M. coracobrachialis ; R, N. radialis ; me, N. musculocutaneus ; if, N. medianus ; to, Nn. tboracalea 

 anteriores ; ff, N. thoracalis longus ; U, N. ulnaris ; cm, N. cutaneus antibrachii medialis ; ci, N. cutaneus 

 brachii medialis ; ih, N. intercostobrachialis. (From Barker, The Nervous System, New York, 1899, p. 

 324, Fig. 186.) 



Nerves. (To be studied in conjunction with the dissector of the upper 



extremity. ) 

 (a) Brachial plexus (plexus brachialis). (Vide Fig. 90.) 



