Located in the direction of the head when considering a position along the longitudinal axis. Even a structure near the apex of the abdomen has a side that is directed towards the head end and another that is directed towards the apex of the abdomen. Likewise, every structure perpendicular to the longitudinal axis of the body (leg, wing) has a side that is directed towards the head.
Tried to attach an image to a forum post. jpg, 32kB, 72dpi, no blanks, ... File name is correctly displayed, but when I click "Preview Thread" it just vanishes. Help!