This is why we get scan artifacts from giant specimens. It fits, but only just. The x-ray beams are getting scattered from being too close to the x-ray detectors (ring around the specimen), creating noise in the images. The red lines on the specimen are from a laser, used to align it properly within the gantry of the scanner. The femoral head (hip joint) is visible as the pale white thingy, down on the bottom right.
[…] of that research, on specimens John previously CT-scanned. He has a bunch of posts up: 1, 2, 3, 4. What we are doing is a detailed dissection of giraffe legs. Not something I’d trust myself […]