Henry Gray (1825–1861). Anatomy of the Human Body. 1918.
pages 1148
and hypogastric zones. Each of these is| imaginary planes the abdomen is divided into three zones, which are named from above downward the subcostal, umbilical, |
 |
FIG. 1034– Front view of the thoracic and abdominal viscera. a. Median plane. b b. Lateral planes. c c. Trans tubercular plane. d d. Subcostal plane. e e. Transpyloric plane. (See enlarged image) |