end-piece

end piece

a part of the spermatozoon consisting of an axoneme surrounded only by the flagellar membrane.
Synonym(s): end-piece

end-piece

(end'pēs)
The terminal part of the tail of a sperm consisting of the axoneme and the flagellar membrane.
References in periodicals archive ?
ARTISAN Master barrel-maker Jonathan Manby, one of only three brewery coopers in the country, shaves an end-piece for a cask.
A plunger-style end-piece permits the user to exercise fine control, minimizing the risk of disturbance to the packed bed.
The neutron guide system foresees exchangeable guide end-pieces for better focus of the neutron beam for various sample sizes.