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The amino terminal sequences of bovine and human adrenal medullary chromogranin A have been determined. Their sequences are identical and also identical to the published sequence of secretory protein I from the parathyroid gland. This data indicates that the previously published sequence of chromogranin A is incorrect at residues 2 and 19. These data confirm earlier observations of a substantial similarity between secretory protein I and chromogranin A and, in fact, strongly suggest that they are identical.

The obstetric significance of the female bony pelvis lies firstly, in its role during pregnancy wherein it protects the pelvic viscera and provides the point of attachment for the muscles of the abdominal walls, and secondly, during labour when the bony pelvis is the "immovable object" through which must pass the more pliable and compressible foetus., (Copyright © 1969 Australian Physiotherapy Association. Published by . All rights reserved.)