There’s a little devil in all of us
In this case he’s in the medullary cavity of the diaphysis of a proximal phalanx.
And he’s making work for idle osteons.
This devil is not an osteon (which is how cortical bone around the outside of a bone is organized) but a trabecula, which is how the spongy bone within the diaphysis of a long bone is organized.
His peepers are mature bone cells (osteocytes) residing in white lacunae.
His smile is a bony lamellar.
His horns are remnants of the endosteum and some of the hematopoietic cells (blood forming cells) that occupy the marrow cavity (white space in this image).
ihearthisto 