pleural recesses


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pleur·al re·cess·es

[TA]
four recesses of the pleural cavity, one behind the sternum and costal cartilages (costomediastinal recess), one between the diaphragm and chest wall (costodiaphragmatic recess), one between the diaphragm and mediastinum (phrenicomediastinal recess), and one between the vertebral bodies and mediastinum (vertebromediastinal recess).