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.

Synonym(s): planum interspinale [TA], interspinal plane, Lanz line

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.