Popular Science Monthly (1874)
“ It rises up rapidly, new systems of blood-vessels forming in it, till its height is twice its diameter; then an osseous deposit is commenced at the circumference of the top of the pedicel. As this deposit rises it thickens very slowly, the upper extremity presenting a thin, serrated edge. Blood-vessels from the periosteum traverse this tissue, supplying it with nourishment. This is the source of supply from without; but there are internal sources also, viz., arteries passing up through the pedicel, and answering to the medullary arteries of long bones. ”
