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Estudo ultraestrutural da espermatogênese de Donax striatus Linnaeus (Mollusca, Bivalvia) do litoral norte do Brasil

1995; Sociedade Brasileira de Zoologia; Volume: 12; Issue: 1 Linguagem: Inglês

10.1590/s0101-81751995000100021

1806-969X

Edílson Matos, Patrícia Matos, Laura Corral, Carlos Azevedo,

Reproductive biology and impacts on aquatic species

LITTORAL.Th~fins truclure ofthe spcrm and sp~rmatogenesis orth~Donar slrialllS are d~scribcd.The morphology of the spermatozoa is c1assified as of a primitive type with a head.mid-piece with four mitochondria and tail.The h~ad shows a complex acrosome.typical orheterodont bivalves.During spermatogenesis the nuclear chromatin shows granular condensation.The present papa describes detailed observations or lhe espermatozoa.