A piece in the Principium series.
No original:
A A A. Subcutaneous platysma myoides muscle, lying on the face, neck, and upper part of chest, and covering the structures contained in the two surgical triangles of the neck.
B. Lip of the thyroid cartilage.
C. Clavicular attachment of the trapezius muscle.
D. Some lymphatic bodies of the post triangle.
E. External jugular vein.
F. Occipital artery, close to which are seen some branches of the occipitalis minor nerve of the cervical plexus.
G. Auricularis magnus nerve of the superficial cervical plexus.
H. Parotid gland.
I. Temporal artery, with its accompanying vein.
K. Zygoma.
L. Masseter muscle, crossed by the parotid duct, and some fibres of platysma.
M. Facial vein.
N. Buccinator muscle.
O. Facial artery seen through fibres of platysma.
P. Mastoid half of sterno-mastoid muscle.
Q. Locality beneath which the commencements of the subclavian and carotid arteries lie.
R. Locality of the subclavian artery in the third part of its course.
S. Locality of the common carotid artery at its division into internal and external carotids.
