Quotation from: Manual of Surgery

Written by: Alexander Miles and Alexis Thomson


#Surgical Anatomy.#--During the period of growth, a long bone such as
the tibia consists of a shaft or _diaphysis_, and two extremities or
_epiphyses_. So long as growth continues there intervenes between the
shaft and each of the epiphyses a disc of actively growing
cartilage--_the epiphysial cartilage_; and at the junction of this
cartilage with the shaft is a zone of young, vascular, spongy bone known
as the _metaphysis_ or _epiphysial junction_. The shaft is a cylinder of
compact bone enclosing the medullary canal, which is filled with yellow
marrow. The extremities, which include the ossifying junctions, consist
of spongy bone, the spaces of which are filled with red marrow. The
articular aspect of the epiphysis is invested with a thick layer of
hyaline cartilage, known as the _articular cartilage_, which would
appear to be mainly nourished from the synovia.

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