Sentence Examples

  • The internal tissue formed by the phellogen is known as phelloderm, and consists usually of ordinary parenchyma.
  • The extent of development of the phelloderm is dependent upon whether the phellogen has a superficial or a deep-seated origin.
  • In the former case the formation of phelloderm is trivial in amount; in the latter, considerable, since this tissue has to replace the cast-off cortex, as a metabolic and particularly a storage tissue.
  • Both cork and phelloderm may be differentiated in various ways.
  • The development of periderm was a constant feature, and this tissue attained a great thickness, consisting chiefly of a phelloderm, produced on the inner side of the formative layer, and no doubt subserving a mechanical function.