41 



INNER ASPECT. Median longitudinal section of cervical 

 vertebrae ; with interior of cervical neural-canal, exits for cervical 

 spinal nerves, and course of longitudinal spinal veins. 



(xiv.) Eight half of head and neck (minus calvaria and brain) 

 after removal from- body. 



Posterior aspect shows constrictor laryngis muscles, and the 

 course of the internal carotid artery and internal jugular veins. 

 For other aspects, cf. supra. 



D. Thoracic Viscera. 



(xv.) Left lung. Inner aspect after removal shows cut ends 

 of pulmonary vessels and trachea, at points of communication 

 with lung substance. The trunks of the left phrenic nerve and 

 superior phrenic artery are shown, adherent to the lung. 



(The course of the arch of the aorta is best seen at this stage.) 



(xvi.) The heart, trachea, and O3so%)hagus, with branches of the 

 vagus nerve related thereto. 



The course of the pulmonary and oesophageal branches of the 

 vagus discernable on turning forwards (xvii.) the ossophagus. 



The internal anatomy of the heart is to be displayed by 

 withdrawing (xviii.) the right auricle and ventricle. 



Contents of each ventricle visible on turning ba,ck flap of 

 its inner wall. 



Coronary blood-vessels and cardiac nerves indicated at various 

 points. 



(xix.) The right lung. On its inner aspect, the roots of the 

 pulmonary vessels and trachea are shown, in relation to the 

 lung substance and to the reflected layer of the pleura. 



E. The Diaphragm. 



The diaphragm (xx.) can be removed in to to. Its inner aspect 

 shows the course and distribution of the inferior phrenic nerves 

 and blood-vessels, together with the semilunar ganglia and 

 portions of the great splanchnic nerves. 



F. The Abdominal Yiscera. 



(xxi.) The transverse and descending colon and ileum, remov- 

 able as one. Outer aspect shows ileum and head of colon laid 

 open, to display their lining membrane, &c. (cf. B.). Inner 

 aspect shows the appendix vermiformis, and distribution of the 

 superior-mesenteric artery, with its accompanying veins and 

 lacteals. 



(xxii.) The urinary bladder, with certain related structures. 

 Its posterior aspect embraces the prostate, the bases of the 

 ureters and vasa deferentia with the receptacula seminis. On 



