| Name | cytoskeletal calyx |
| ID | GO_0033150 |
| collection_id | Cellular component |
| Description | A large cytoskeletal structure located at the posterior end of the perinuclear theca of a mammalian sperm head. The nucleus is tightly associated with the calyx, which contains calicin and basic cylicin proteins. |
| External URL | |
| Genes |