| Dataset | GO Cellular Component Annotations 2015 |
| Category | structural or functional annotations |
| Type | cellular component |
| Description | 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. (Gene Ontology, GO_0097227) |
| External Link | http://amigo.geneontology.org/amigo/term/GO:0097227 |
| Similar Terms | |
| Downloads & Tools |
2 proteins localized to the sperm annulus cellular component from the curated GO Cellular Component Annotations 2015 dataset.
