412 



LABORATORY MANUAL OF HUMAN ANATOMY 



(1) Subcutaneous veins of abdomen (Vv. subcu- 



taneae abdominis). 



(2) Superior epigastric vein (V. epigastrica supe- 



rior), 

 (aaj) Highest intercostal vein (V. intercostalis supremo} 



(0. T. left superior intercostal vein). 

 (ab) Azygos vein (V. azygos} (0. T. vena azygos major). 



Its tributaries can be studied better later. 

 (b) Inferior vena cava (V. cava inferior). 



FIG. 206. 



Vena cava superior 



fPulm. 

 Ostium art.s 



(Aorta 



Ost. atrioventr. dextrum 



Thorax from in front with the position of the heart, d. At., right atrium ; d. V., right ventricle; 

 s. V., left ventricle; A., aorta; P., A. pulmonalis; I-XII, the ribs. (From Gegenbaur, Lehrb. der 

 Anat. des Mensch., Leipzig, 1899, 7 Aufl., Bd. ii. p. 221, Fig. 514.) 



Heart (Cor). (Vide Fig. 207.) 



Study thoroughly its form, position, and general relations. 

 Examine the following : 



(a) Base of heart (basis cordis). 



(b) Apex of heart (apex cordis). 



(c) Right arterial orifice (ostium arteriosum dextrum) (0. T. pulmonary 



orifice). 



(d) Left arterial orifice (ostium arteriosum sinistrum) (0. T. aortic 



orifice). 



(e) Sternocostal surface (fades sternocostalis) (0. T. anterior surface). 

 (/) Diaphragmatic surface (fades diaphragmatica) (0. T. posterior sur- 

 face). 



(g) Surfaces of chambers of heart. 



(ga) Forechambers (atria cordis) (0. T. auricles). 



(gaa) Right atrium (atrium dextrum) (0. T. right au- 

 ricle). 



(gaaa) Right auricle (auricula dextra) (0. T. 

 right auricular appendix). 



