The annulus: composition, role and importance in sperm flagellum biogenesis and male fertility

Abstract The annulus is an electron-dense ring structure that surrounds the axoneme and compartmentalizes the sperm flagellum into two parts: the midpiece and the principal piece. The function of the annulus as a diffusion barrier in the mature spermatozoon is now well described but its function dur...

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Bibliographic Details
Main Author: Marjorie Whitfield
Format: Article
Language:English
Published: BMC 2024-12-01
Series:Basic and Clinical Andrology
Subjects:
Online Access:https://doi.org/10.1186/s12610-024-00241-2
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