ink sac


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ink sac

n.
An ink-containing organ located near the rectum in most cephalopods, including octopuses and squids.
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The colour sepia is named after the pigment from the ink sac of which marine creature?
Carefully pull the tentacles, trying to bring all of the inners away from the body, with the ink sac intact (don't worry if it doesn't stay intact, it just makes for cleaner preparation if it does).
Cephalopod ink is produced in and released from the ink sac, which is a modified hypobranchial gland rather than a homolog of the gastropod ink gland (Roseghini et al.
After about 1915, most had switched to a self-filling flexible rubber or latex ink sac.
Ink gland cells of the digestive tract in the mantle cavity degenerate and shed their contents into the ink sac, acting as a reservoir of the exhausted material.
The students also liked finding the ink sac, dipping a toothpick into the ink, and writing their names on a piece of paper.
It has an ink sac containing glossy ink with which you can make a jet black risotto.
Ask the fishmonger to prepare and clean the squid with the ink sac and other internal bits removed.
The squid-like belemnite fossil shown at the bottom of the page, showing its internal shell, ink sac, and other internal structures, supposedly demonstrates the rare preservation of the soft body outline.
It came from the preserved ink sac of a recently discovered 150-million-year-old fossil of Belemnotheutis antiquus.
Paleontologists cracked open a rock and found the one-inch-lonblack ink sac inside.
The specimen is now in the British Geological Survey collection in Nottingham and part of the ink sac has been sent to Yale University in America for in-depth chemical analysis.