Knowledge

Cephalopod mantle muscle 2

When the mantle ring muscle relaxes and the radiating muscles contract, the volume of the outer jacket cavity expands, and water enters the outer jack

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Cephalopod mantle muscle

The mantle membrane of cephalopods is multimuscular, including radiating muscles and circular muscles. The mantle is connected to the body wall on the

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Cephalopod horny crust

Among the existing cephalopods, only the Nautilus has a shell. The shell is symmetrical on both sides, and the plane is hovering.

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Cephalopod system

The body of cephalopods is also composed of four parts: head, feet, visceral sac, and mantle, but in terms of system structure, it can be divided into

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