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Ultraestrutura da espermatogênese do tamoatá, Hoplosternum littorale (Hancock) ...

Matos,E; Matos,P; Oliveira,E; Azevedo,C

Sequential cytological modifications of Hoplosternum littorale (Hancock) spermatogenesis were studied with electron microscopy from the spermatocyte to the mature spermatozoon. Five stages of spermatical maturation were described. The spermatozoon is one of the primitive tupe, with head without acrosome and a tail with a type pattern.

Date: 1993 | Origin: Oasisbr

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