242 



ARTERIAL SYSTEM. 



THE ARTERIAL SYSTEM .-Continued. 



19. 



Ulnar. 

 (Plate 2). 



1. In forearm. 



2. In wrist. 



3. In hand. 



INTEROSSEOUS . 



Anterior Ulnar Recurrent, ascends in front of inner condyle. 

 Posterior Ulnar Recurrent, ascends behind inner condyle. 

 pierces Interosseous mem 

 brane, descending to back 

 of wrist. 



Muscular Branches. 

 Nutrient, of both bones. 

 Br. on Pronator quadratus. 

 Median, along median n. 

 to back of wrist. 

 Post. Interosseous Recur- 

 rent, to ext. condyle of 

 humerus. 

 Muscular, to muscles on ulnar side of arm. 



Anterior Carpal, to joints, anas. Carpal of Radial. 



Posterior Carpal, j to -> oints of wrist> anas ' Car P al of Radial. 

 ' {Br. forming Post. Carpal Arch. 



/anas, with termination of Radial 

 Deep (Communicating) -< Artery, forming the Deep Palmar 



{ Arch. 

 ffrom convexity of Superf. Palmar Arch, to ulnar 



ANTERIOR 

 INTEROSSEOUS 



Posterior 

 Interosseous 



Digital (4), 



| side of little finger, and adjoining sides of 

 1 ring, middle, and index fingers (rest supplied 

 I by radial). 



Forms' SUPERFICIAL PALMAR ARCH in palm of hand, by inoscu- 

 lating with Superficialis Volae of Radial Artery. 



Bronchial Arteries (3) nutrient vessels of the lungs. 

 CEsophageal, (4 or 5) anas. brs. Inf. Thyroid, Phrenic, Gastric. 

 Pericardiac, Brs. distributed to the pericardium. 



Thoracic 



Aorta. 

 (Plate 3.) 



INTERCOSTAL ) 

 (20) 



f ANTERIOR (Proper) { Br ' alon * lower border of f ^ 

 I Br. alone: upper border of rib. 



f Spinal, to vertebrae, cord, etc. 

 I Posterior (Dorsal) { Muscular , to tissues of back 



. Posterior Mediastinal, (several) to glands, etc., in mediastinum. 



