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J Anat. Dec 1977; 124(Pt 3): 741–755.
PMCID: PMC1234670

Ultrastructural studies on the differentiation of spermatids in the domestic fowl.


Four phases of spermatid maturation are recognized on the basis of nuclear morphology. The formation of the acrosome, perforatorium and axial filament complex are described in relation to these phases. The functional significance of the microtubular systems in nuclear elongation and spermatid curvature are discussed. A membranous structure, hitherto unidentified, and referred to in this study as the 'membrane body' is compared with the chromatoid body. Morphological evidence suggests that this structure, together with the annulate lamellae, removes excessive nuclear material.

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Selected References

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Articles from Journal of Anatomy are provided here courtesy of Anatomical Society of Great Britain and Ireland


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