interspinous plane

interspinous plane

[TA]
a transverse plane passing through the anterior superior iliac spines; it marks the boundary between the lateral and umbilical regions superiorly and the inguinal and pubic regions inferiorly.

in·ter·spi·nous plane

(in'tĕr-spī'năl plān)
A horizontal plane passing through the anterior superior iliac spines; it marks the boundary between the lateral and umbilical regions superiorly and the inguinal and pubic regions inferiorly.