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Regional variations in the composition of the perinuclear theca of the rat spermatozoa

Authors
Publisher
McGill University
Publication Date
Keywords
  • Biology
  • Anatomy.
Disciplines
  • Biology
  • Chemistry
  • Medicine

Abstract

These results suggest (1) the perforatorium is biochemically distinct from the postacrosomal sheath with the exception of a restricted region referred to as the ventral spur; (2) there are regional differences in protein composition of the perforatorium, of the outer periacrosomal layer and of the postacrosomal sheath; and (3) that perforatorial polypeptides may not necessarily be restricted to the subacrosomal region, by may also compose portions of the outer periacrosomal layer, and postacrosomal sheath; and (4) Actin is not part of the perforatorium in mature rat spermatozoa.

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