hectocotylus

(redirected from hectocotyli)
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hectocotylus

[‚hek·tō′käd·əl·əs]
(invertebrate zoology)
A specialized appendage of male cephalopods adapted for the transference of sperm.
References in periodicals archive ?
5 mm DML) that had hectocotyli and were sexually mature (Fig.
Spermatophores are either transferred to the female by the male's hectocotylus, a specialized arm, or by a long penis, which is present in species that lack hectocotyli (2).