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tegmentum

tegmentum

tegmentum 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.

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  • the articulamentum projects laterally beyond and beneath the tegmentum into the substance of the mantle.

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  • The tegmentum is formed by the fold of mantle covering the From Lankester, Treatise on Zoology.

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  • The tegmentum is much reduced in Acanthochiton, and absent in the adult Cryptochiton.

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  • The tegmentum is pierced by numerous vertical ramified canals which contain epithelial papillae of the epidermis.

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  • nk, ng, valves arise as transverse thickenings of the dorsal cuticle behind the ciliated ring, the tegmentum being the first part formed.

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  • - Tegmentum coextensive with articulamentum, or the latter projecting in smooth unslit plates.

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  • - No shell-eyes: sutural laminae separated; slits in the valves 1 -7 do not correspond with the ribs of the tegmentum.

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  • No shell-eyes, slits in the valves 1-7 corresponding with the ribs of the tegmentum.

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  • Valves immersed in the girdle, with small tegmentum.

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  • - 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.

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  • the articulamentum projects laterally beyond and beneath the tegmentum into the substance of the mantle.

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    0
  • The tegmentum is formed by the fold of mantle covering the From Lankester, Treatise on Zoology.

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    0
  • The tegmentum is much reduced in Acanthochiton, and absent in the adult Cryptochiton.

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    0
  • The tegmentum is pierced by numerous vertical ramified canals which contain epithelial papillae of the epidermis.

    0
    0
  • nk, ng, valves arise as transverse thickenings of the dorsal cuticle behind the ciliated ring, the tegmentum being the first part formed.

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    0
  • - Tegmentum coextensive with articulamentum, or the latter projecting in smooth unslit plates.

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    0
  • - No shell-eyes: sutural laminae separated; slits in the valves 1 -7 do not correspond with the ribs of the tegmentum.

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    0
  • No shell-eyes, slits in the valves 1-7 corresponding with the ribs of the tegmentum.

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  • Valves immersed in the girdle, with small tegmentum.

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    0
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