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Estrutura fina do espermatozóide de Mellita quinquiesperforata Leske (Echinodermata) do litoral norte do Brasil

2000; Sociedade Brasileira de Zoologia; Volume: 17; Issue: 3 Linguagem: Inglês

10.1590/s0101-81752000000300018

ISSN

1806-969X

Autores

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

Tópico(s)

Crustacean biology and ecology

Resumo

Fine structure ofthe spcrmatozoon oftheMellila quillquiesperforala (Echinodermata) of lhe Northern littoral of Brazil.The fine slruclure of lhe spermalozoon in lhe Me/lita quinqllieóper(orata Leske, 1778 was sludied.Collecled from lhe Amazon region, were described by lighl and transmission electron l11icroscopy.The spennatozoon consisted of a acrosol11e complex, nllcleus, four to six l11itochondria, two centrioles and tlagellul11.The acrosOl11e was cOl11posed 01' a acrosome complex, the acrosomal vesicle and the subacrosol11al space.The nllc1eus are composed by dense material.The middle piece contains 4-6 l11itochondri a which are arranged arollnd lhe centrioles, the 9p+O, whose axoneme has the c1assic 9p+2 microtubular construction.

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