SCALP 



49 



PLATE I 

 FIG. 15. Dissection of the Head and Neck. 



The sterno-mastoid muscle is left in position, the inter- 

 mediate third or the clavicle has been removed and the medial 

 part of the subclavius muscle has been turned downwards. 

 Parts of the anterior, posterior and common facial veins have 

 been removed. 



1. Supra-orbital artery and nerve. 



2. Frontal artery and vein. 



3. Lateral nasal branch of external 



maxillary artery. 



4. Superior labial branch of external 



maxillary artery. 



5. Inferior labial branch of external 



maxillary artery. 



6. Anterior facial vein. 



7. External maxillary artery. 



8. Cervical branch of facial nerve 



communicating with N. cutan- 

 eus colli. 



9. External carotid artery. 



10. Common facial vein. 



11. Superior thyreoid artery. 



12. Anterior jugular veins. 



13. Omo-hyoid muscle (anterior 



belly). 



14. External jugular vein. 



15. Transverse cervical vein. . 



1 6. Sterno-mastoid muscle. 



17. Subclavian artery. 



1 8. Subclavius muscle with nerve. 



19. Cephalic vein. 



20. Lateral anterior thoracic nerve. 

 .21. Axillary vein. 



22. Acromial branch of thoraco- 



acromial artery. 



23. Transverse scapular vessels. 



24. First serration of serratus anterior 



muscle. 



25. Omo-hyoid muscle (posterior 



belly). 



26. Supra-scapular nerve. 



27. Transverse cervical artery on 



scalenus medius muscle. 



28. Upper root of long thoracic 



nerve. 



29. Trapezius. 



30. Ascending branch of transverse 



cervical artery which arose 

 separately from the thyreo- 

 cervical trunk. 



31. Accessory nerve. 



32. Levator scapulae muscle. 



33. Internal carotid artery. 



34. Great auricular nerve. 



35. Commencement of external jugu- 



lar vein. 



36. Lesser occipital nerve. 



37. Third occipital nerve. 



38. Greater occipital nerve and 



occipital artery. 



39. Parotid gland. 



40. Transverse facial vessels. 



41. Posterior auricular vein. 



42. Superficial temporal vessels and 



auriculo-temporal nerve. 



VOL. Ill 4 



