nonacrosomal

English

Etymology

non- +‎ acrosomal

Adjective

nonacrosomal (not comparable)

1. Not acrosomal; unrelated to acrosomes.
   • 1977, Edidin, M. H. Johnson, Immunobiology of Gametes, page 183:

     When this occurs are new nonacrosomal antigens becoming involved?

   • 2013, E. S. E. Hafez, B. Hafez, Reproduction in Farm Animals:

     The acrosome reaction is a prerequisite for fusion between ova and spermatozoa plasma membranes, and zona free ova cannot undergo fusion with nonacrosomal activated sperm even though attachment to the membrane surface occurs (Fig. 8-3).

   • 2014, Charles B. Metz, Alberto Monroy, Fertilization, page 350:

     Even in spermatids of the cat and of man in which Burgos and Fawcett (1955) and Fawcett (1958) have shown that a fibrous perforatorium does not occur, it can nevertheless be seen in thin sections (Fawcett, 1958; Horstmann, 1961) that the homologous sites contain at least small amounts of nonacrosomal substance.