Definition of hectocotylus in English:
noun (plural hectocotyli /-ˈkätlˌī/)Zoology
A modified arm used by male octopuses and some other cephalopods to transfer sperm to the female.
- In some species, the specialized arm tip may be pinched off and left in the female's mantle cavity: this is known as the hectocotylus arm.
- The hectocotylus is used to deliver the spermatophores (sperm-filled sacs) to the female during mating.
- In some cephalopods, the end of the hectocotylus snaps off and remains imbedded in the female.
Definition of hectocotylus in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Malaysia
Most popular in Pakistan