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What is a rasping organ?
What phylum Mollusca has a rasping organ called?
Does Mollusca have a rasping organ?
The radula (US: / ˈrædʒʊlə /; pl.: radulae or radulas) [1] is an anatomical structure used by mollusks for feeding, sometimes compared to a tongue. [2] It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters the esophagus.
A rasping organ called a radula is found in their mouth. The skull, foot (a big organ utilized for mobility), and visceral mass are the three parts of their body (all the organs are contained in this).
radula, horny, ribbonlike structure found in the mouths of all mollusks except the bivalves. The radula, part of the odontophore, may be protruded, and it is used in drilling holes in prey or in rasping food particles from a surface.
- The Editors of Encyclopaedia Britannica
The radula is a rasping, protrusible, tonguelike organ found in all molluscs except bivalves and most solenogasters. It is a ribbonlike membrane on which are mounted rows of tiny teeth that point backward (Figure 16-3).
They have a well-developed digestive system, the radula is the rasping organ for feeding. Respiration in Mollusca occurs through the general body surface, gills or pulmonary sac. The blood circulates through the open circulatory system. They have a pair of metanephridia that helps in excretion.
An autapomorphy organ of these molluscs is Gastropoda radula. The radula appears like a toothed ribbon-like structure. It helps to carry numerous teeth which are rasping.
Sep 14, 2024 · Mollusks contain a rasping organ called radula for feeding. The radula is a ribbon-like structure that has transverse rows of chitinous teeth and helps in cutting of food before it enters into the stomach.
