different between placoid vs ctenoid

placoid

English

Etymology

Ancient Greek plac- +? -oid

Adjective

placoid (not comparable)

  1. Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoid fish
    • 1979, Cormac McCarthy, Suttree, Random House, p.68:
      What about the carp? He regarded the two placoid shapes with doubt.

Noun

placoid (plural placoids)

  1. Such a scale
  2. Any fish having placoid scales, such as the sharks

Related terms

  • microplacoid

References

  • placoid in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

Anagrams

  • podalic, podical

placoid From the web:



ctenoid

English

Pronunciation

IPA(key): /?ti?.n??d/

Etymology

cteno- +? -oid

Adjective

ctenoid (comparative more ctenoid, superlative most ctenoid)

  1. Having a toothed margin, usually fish scales
  2. Comb-like in shape.

Noun

ctenoid (plural ctenoids)

  1. A ctenoidean.

Anagrams

  • D-notice, condite, deontic, ectodin, noticed

ctenoid From the web:

  • what is ctenoid scales
  • what are ctenoid scales made of
  • what does ctenoid mean
  • what is ctenoid
  • what does ctenoid mean in biology
  • what does ctenoid
  • what does ctenoid scale mean
  • what is ctenoid cycloid
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