The subclavian vein, W, Plate 5, is removed to some distance from the artery, Q, Plate 5. The width of the scalenus muscle, X, separates the vein from the artery. An instance is recorded by Blandin in which the vein passed in company with the artery under the scalenus muscle.
DESCRIPTION OF PLATES 5 & 6.
PLATE 5.
A. Innominate artery at its point of bifurcation.
B. Subclavian artery crossed by the vagus nerve.
C. Common carotid artery with the vagus nerve at its outer side, and the descendens noni nerve lying on it.
D. External carotid artery.
E. Internal carotid artery with the descendens noni nerve lying on it.
F. Lingual artery passing under the fibres of the hyo-glossus muscle.
G. Tortuous facial artery.