hectocotylus


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Related to hectocotylus: ligula

hectocotylus

[‚hek·tō′käd·əl·əs]
(invertebrate zoology)
A specialized appendage of male cephalopods adapted for the transference of sperm.
References in periodicals archive ?
Whatever the target's gender, a male octopus placed its specialized sperm-transfer appendage, the hectocotylus, into the main body cavity of the other octopus.
The presence or absence of bundles of spermatophores attached to the gills or inner mantle surface for females, and the hectocotylus length (in millimeters) and quantity of spermatophores (absence, few, many) in the Needham sac were recorded for males.
The hectocotylus was more than 50% of the length of the hectocotyli in males (Santos & Haimovici 1997b).