Sentence Examples

  • - Polyplacophora Each of the eight valves of the shell is made up of two distinct calcareous layers: (a) an outer or upper called the tegmentum, which is visible externally; (b) a deeper layer called articula FIG.
  • The articulamentum projects laterally beyond and beneath the tegmentum into the substance of the mantle.
  • The tegmentum is formed by the fold of mantle covering the From Lankester, Treatise on Zoology.
  • The tegmentum is much reduced in Acanthochiton, and absent in the adult Cryptochiton.
  • The tegmentum is pierced by numerous vertical ramified canals which contain epithelial papillae of the epidermis.
 
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