The Thoracic Cavity
The heart and lungs are situated in the thorax, the walls of which afford them protection.
thoracic cavity The chest cavity in which the heart and lungs are located.
thorax In many arthropods, one of three regions formed by the fusion of the segments (others are the head and abdomen).
thorns Stems modified to protect the plant.
The inner surface of the thoracic cavity and the outer surface of the lungs are lined with pleural membranes which adhere to each other.
The cones-shaped bony thorax surrounds the thoracic cavity, and is formed by 12 thoracic vertebrae posteriorly, 23 pairs of ribs laterally, and the sternum and costal cartilages anteriorly.
The lungs are large, lobed, paired organs in the chest (also known as the thoracic cavity). Thin sheets of epithelium (pleura) separate the inside of the chest cavity from the outer surface of the lungs.
membranous lining of the thoracic cavity of mammals and covering the lungs in the cavity
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
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[Gk. diaphrassein, to barricade]
A sheet of muscle that forms the bottom wall of the thoracic cavity in mammals; active in ventilating the lungs.
diastole ...
 See also: Human, Membrane, Heart, Tissue, Lungs
  
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