406 LABORATORY MANUAL OF HUMAN ANATOMY 



pleura in its costal, diaphragmatic, and mediastinal parts. 

 (Vide Fig. 202.) Study- 



(a) Pulmonary ligament (ligamentum pulmonale) (triangular duplicature 



extending from hilus of lung to mediastinal pleura). 



(b) Dome or cupola of pleura (cupula pleurae}. 



Examine its relations. 



(c) Mediastinal septum (septum mediastinale) . 



(ca) Anterior mediastinal cavity (cavum mediastinale anterius). 



(cb) Posterior mediastinal cavity (cavum mediastinale posterius). 



FIG. 202. 



Pleura costalis _ . _ _ 



-Pleura pulmonalis 



LobUS SUpcnui ^^yPSMSO* , . LUIeV^a3WJM. _ Lobug superi or 



bsolute heart- 

 dulness 



Lobus inferior 

 Margo inferior 



Lower limit of 

 pleura 



Boundaries of the lungs and pleura, from in front. Absolute heart-dulness. (After Joessel, from 

 Bardeleben and Haeckel, Atlas der Topog. Anat. des Menschen, Jena, 1901, Fig. 98.) 



(d) Two parts of mediastinal pleura. 



(da) Pericardiac pleura (pleura pericardiaca) . 



(db) Mediastinal layers (laminae mediastinales) . 



(e) Sinuses of the pleura (sinus pleurae). 



(ea) Phrenicocostal sinus (sinus phrenicocostalis) . 



(eb) Costomediastinal sinus (sinus costomediastinalis) . 



(f) Adipose folds (plicae adiposae). 



(fa) Pleural villi (villi pleurales). 



