Get Free Checker

placoid

[ US /ˈpɫækɔɪd/ ]
ADJECTIVE
  1. as the hard flattened scales of e.g. sharks

How To Use placoid In A Sentence

  • Cycloid Fish Scale - The primary types of fish scales include placoid, cosmoid, ganoid, ctenoid, and cycloid scales. Undefined
  • The new species is highly adapted to hypogean life with very obvious troglobiomorphic features: unpigmented cuticle, an extraordinary lengthening of thorax and appendixes, multiplication of antennomeres and supernumerary placoid sensilla, not just in the apical antennomere but also in the preceding antennomeres. Archive 2007-01-01
  • The placoid scales on a shark are a phalanx of precise dermal teeth. A World Ready for Its Close-Up
  • Dogfish Shark Placoid Scales - The bodies of dogfishes, like all sharks, are externally lined with placoid scales, also known as dermal denticles. Undefined
  • This bone lies on the roof of the frog's mouth, and bears a number of denticles, and altogether there is a very strong resemblance in it to a number of placoid scales the bony bases of which have become confluent. Text Book of Biology, Part 1: Vertebrata
  • Besides the teeth there perhaps remain relics of the placoid scales in the anatomy of the higher vertebrata, in the membrane bones. Text Book of Biology, Part 1: Vertebrata
  • The basic odontode unit is identical to the placoid scale of chondrichthyans [SA04] [S + 98].
  • The new species is highly adapted to hypogean life with very obvious troglobiomorphic features: unpigmented cuticle, an extraordinary lengthening of thorax and appendixes, multiplication of antennomeres and supernumerary placoid sensilla, not just in the apical antennomere but also in the preceding antennomeres. Archive 2007-01-01
  • Like other sharks, catsharks are covered with placoid scales.
  • The first Vertebrata to appear in the fossil history of the world are fishes; fish spines and placoid scales Text Book of Biology, Part 1: Vertebrata
View all