A study of the arrangement of osteoblasts of rat calvarium cultured in medium with, or without, added parathyroid extract.

Abstract

The osteoblast layers on the inner surfaces of the half-calvaria of neonatal rats of 2 litters were studied by scanning electron microscopy. Some halves were fixed immediately on dissection. Others were carried through incubation in an Eagle's medium, with or without the addition of parathyroid extract (PTE): for 2, 4, 8 or, most importantly, 24 h. In their… (More)

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