Term
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Definition
| all fishes have some, some hidden away at canal system |
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Term
| structure of lateral line canal |
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Definition
| canal pores open to environment; neuromasts lie b/w pores; canal full of endolymph; movement of lymph stiumulates neuromast |
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Term
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Definition
| on head and body; extent of canal indicates activity level: more active, more neutomasts sequestered in canal rather than free |
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Term
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Definition
| sensitive over low frequencies: obstacle detection and feeding(localization of food, sensing predatory attack); trunk lateral line important in coordinating school behavior; |
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Term
| lateral line extensivemenss over body functions: |
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Definition
| partly to localize stimuli; system can compare signal strength from diff parts of canal, function called "distant touch" |
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Term
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Definition
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Term
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Definition
| short, graded, serve to send nervous signals |
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