Search Ontology:
GO: Cellular Component

sperm annulus

Term ID
GO:0097227
Synonyms
Definition
The ring-like, filamentous structure located at the distal end of the midpiece of the sperm flagellum; the annulus is thought to form a diffusion barrier between the midpiece and the principal piece and serve as a stabilizing structure for tail rigidity.
References
Ontology
GO: Cellular Component    QuickGO    AmiGO
Relationships
is part of
is a type of
Phenotype
Phenotype caused by Genes
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