hectocotylus
A modified arm used by male octopuses and some other cephalopods to transfer sperm to the female.
See: https://en.wikipedia.org/wiki/Hectocotylus#/media/File:Abraliopsis_morisi_hectocotylus-English.jpg
A modified arm used by male octopuses and some other cephalopods to transfer sperm to the female.
See: https://en.wikipedia.org/wiki/Hectocotylus#/media/File:Abraliopsis_morisi_hectocotylus-English.jpg