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Aristotle's lantern in a sea urchin, viewed in lateral section. The mouth of most sea urchins is made up of five calcium carbonate teeth or plates, with a fleshy, tongue-like structure within. The entire chewing organ is known as Aristotle's lantern from Aristotle's description in his History of Animals (translated by D'Arcy Thompson):
In the center of the test, the West African Sand Dollar has a feeding device called “Aristotle’s lantern.” Aristotle’s lantern is a complex system of jaws and muscles which are capable of a variety of feeding types including suspension feeding, herbivory and detritivory feeding, and occasionally predation. Adaptations to this lantern ...
Around 170,000 lantern size glass slides, manufactured from 1900 up to 1980 from all fields of Archeology and Art History, used by famous art historians such as Erwin Panofsky and Wolfgang Schöne. Slide Projectors. Digitization in progress since 2016, about 3,000 images online in database (password protected).
The reef urchin conceals itself in crevices or under boulders. It emerges at night to feed by grazing on algae with its five teeth, part of the Aristotle's lantern organ that surrounds its mouth. [4] It is not believed to bore holes, but its grazing still causes bioerosion in reefs. [5] In Panama, breeding takes place during the period April to ...
In terms of feeding, sand dollars are suspension feeders that rely on a specialized structure called Aristotle's Lantern. Their cilia create grooves on the underside of their body that funnel food particles like plankton, detritus, and microscopic organisms toward their central mouth.
Wine is one of the most popular alcoholic beverages worldwide, with people drinking it for hundreds, if not thousands, of years. Especially in light of red wine’s place in the Mediterranean diet ...
Sisters Helena and Barbara Stefaniak had their worlds turned upside down after the start of World War II. The sisters, who were living in Poland, were separated and put into work camps as teens ...
Chia seeds are tiny and round, and come in colors like black, brown, and white. They’re a member of the mint family. (Getty Images)