Henry Gray (1825–1861). Anatomy of the Human Body. 1918.
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)
