Sentence Examples


  • The epidermis consists of pyriform cells, which send richly branched processes to the superficial cuticle.
  • A cavity appears in its centre and it acquires a pyriform shape.
  • The principal differences are the complication of the ciliated band, the absence of the excretory organ, the great lateral compression of the body, the possession of a pair of shells protecting the sides, the presence of an organ known as the "pyriform organ," and the occurrence of a sucker in a position corresponding with the depression seen between (m) and (a) in fig.
  • The pyriform organ has probably assisted the larva to find an appropriate place for fixation (cf.
  • The alimentary canal, which may be represented by a vestigial structure, is accordingly not functional, and the larva does not become pelagic. A pyriform organ is present in most Gymnolaemata as well as the sucker by which fixation is effected.

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