Costal surface of lung
Encyclopedia
The costal surface of the lung
(external or thoracic surface) is smooth, convex, of considerable extent, and corresponds to the form of the cavity of the chest, being deeper behind than in front.
It is in contact with the costal pleura
, and presents, in specimens which have been hardened in situ, slight grooves corresponding with the overlying ribs.
Lung
The lung is the essential respiration organ in many air-breathing animals, including most tetrapods, a few fish and a few snails. In mammals and the more complex life forms, the two lungs are located near the backbone on either side of the heart...
(external or thoracic surface) is smooth, convex, of considerable extent, and corresponds to the form of the cavity of the chest, being deeper behind than in front.
It is in contact with the costal pleura
Costal pleura
Different portions of the parietal pleura have received special names which indicate their position: thus, that portion which lines the inner surfaces of the ribs and Intercostales is the costal pleura....
, and presents, in specimens which have been hardened in situ, slight grooves corresponding with the overlying ribs.