734 CIRCULATORY SYSTEM OF THE PIG 
fasciee late, about midway between the tuber coxee and the patella. It is kidney- 
shaped and is a little more than an inch (ca. 3 cm.) long and nearly an inch (ea. 
2 em.) wide. 
The superficial inguinal or mammary lymph glands are usually two in number 
on each side. The larger one is kidney-shaped; it may be an inch and a half (ca. 
3.5 cm.) long and about half as wide. The smaller gland is oval and usually about 
half an inch (ca. 1 em.) in length. 
CIRCULATORY SYSTEM OF THE PIG 
THE HEART 
The pericardium is attached to the sternum from a point opposite to the third 
rib as far as the xiphoid cartilage, and also to the sternal part of the diaphragm. 
Vena hemiazygos 
Pulmonary veins 
Aorta 
Posterior vena 
Left brachial artery 
cava 
Pulmonary artery 
Brachiocephalic 
artery 
Left auricle 
Left ventricle 
Anterior vena | 
cava 
Right auricle 
Right ventricle 
Fie. 605.—Heart or Pia; Lerr View. 
1, Conus arteriosus; 2, great cardiac vein in left longitudinal groove; 3, cardiac vein in intermediate groove; 4, apex. 
It has extensive contact with the chest wall from the second intercostal space to the 
fifth rib. 
