A small
cell which is the product of an uneven division of the
cytoplasm during
meiosis; the smaller of the two cells produced during a
meiotic division of
oogenesis (the larger one becomes an
oocyte or
ovum). It eventually
degenerates.
From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.