has_part inheres_in qualifier normal cellular process normal prospore membrane formation normal ascospore-type prospore membrane assembly normal forespore membrane formation midori 2015-10-14T11:32:13Z FYPO:0004927 A cellular process phenotype in which prospore formation assembly is normal (i.e. indistinguishable from wild type). In prospore formation, the nascent membrane forms at the meiotic outer plaque and grows until closure occurs and forespores, or prospores, are formed.