denticle
- noun
- /ˈdɛntɪkəl/
- Specialized
- The shark's skin is covered in small, pointed projections called denticles that help reduce drag while swimming.
Examples
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A denticle can help in the identification of certain species.
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The surface of the beetle's wing is covered in tiny denticles that provide extra grip.
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Some species of spiders have distinct denticles along their leg joints.
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Under the microscope, the exoskeleton reveals hundreds of minute denticles forming a protective texture.
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The crab's shell was covered in tiny denticles.
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Researchers discovered that the denticles on the exoskeleton of certain crustaceans provide added protection from predators.
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Under the microscope, we could see the tiny denticles that give the surface of the fish a rough texture.
How Pointed
Surface Forms
Morphology
Etymology
Denticle comes from the Latin root dent meaning 'tooth' and the small ending -icle meaning 'small'. So a denticle is a 'small tooth', which helps you remember it as a tiny, pointed bump on the outer shell of an insect or spider.