septum noun [C]. âº a âthin âpart âdividing âtissues or âspaces in an âorgan such as the ânose or âheart: the ânasal septum. (Definition of septum from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press). Browse. 1  septic.
Unfortunately, the giant squid Architeuthis has not been studied enough to make a comprehensive diet. From the few that have been dissected though, it was discovered that they would eat sperm whales that dive deep underwater.
In the mouth of the squid is a beak shaped much like the beak of a parrot. The beak is not part of the shell but a separate tooth-like structure. When a squid catches prey, such as a fish, it bites off and swallows chunks of it. The squid has a small radula but it uses it only to pull in chunks of food past the beak. masters of camouflage, using pigment in their skin cells to quickly change its skin color to blend into its surroundings. These skin cells, called chro-matophores, contain an elastic sac filled with pigment.