1348 



THE U-RINO GENITAL ORGANS 



kidney from the pleura as the pleura dips down to form the phrenicocostal sinus 

 (Fig. 900), but frequently the muscle fibres of the Diaphragm are defective or 



FIG. 1088. Right kidney. Anterior view. 



FIG. 1089. Left kidney. Posterior view. 



absent over a triangular area immediately above the external arcuate ligament, 

 and when this is the case the perirenal areolar tissue is in immediate apposition 



SUPRARENAL AREA 



SUPRARENAL AREA 



j PER i o|! 



VENA 

 CAVA 



FIG. 1090. The anterior surfaces of the kidneys, showing areas of contact of neighboring viscera. 



with the diaphragmatic pleura. In the lower part of the posterior surface of the 

 kidney is an impression produced by the Quadratus lumborum muscle and called 



