单词 | placoid scale |
释义 | BETA Examples ofplacoid scaleDictionary> Examples ofplacoid scale placoid scaleisn’t in the Cambridge Dictionary yet. You can help! Add a definition Their skin is smooth and largely covered by placoid scales, and their color can range from black to brownish gray. From Wikipedia ![]() Placoid scales can not grow in size, but rather more scales are added as the fish increases in size. From Wikipedia ![]() The body shape and structure of the trunk placoid scales indicate the ability to swim quickly. From Wikipedia ![]() The entire body is covered by an exoskeleton of placoid scales. From Wikipedia ![]() Many groups of bony fishes, including pipefishes and seahorses, several families of catfishes, sticklebacks, and poachers, have developed external bony plates, structurally resembling placoid scales, as protective armour. From Wikipedia ![]() Sharks are entirely covered by placoid scales. From Wikipedia ![]() Members of the elasmobranchii subclass have no swim bladders, five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, and small placoid scales. From Wikipedia ![]() Such skins are naturally covered with round, closely set, calcified papillae called placoid scales, whose size is chiefly dependent on the age and size of the animal. From Wikipedia ![]() Bony fish have no placoid scales. From Wikipedia ![]() These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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