outer dense fiber (ODF) of spermatoza

Introduction

Filamentous structure(s) located on the outside of the axoneme in the midpiece & principal piece of the mammalian sperm tail.

Function

• may help to maintain the passive elastic structures & elastic recoil of the sperm tail
• could be involved in sperm tail structure, sperm movement & general organization of cellular cytoskeleton

More general terms

• organelle

Additional terms

• outer dense fiber protein (ODF1, ODFP)