Lancelet cross section

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A cross section through the gill region of an Amphioxus (lancelet; phylum Chordata, subphylum Cephalochordata).  Visible is the muscle tissue (striated red), gill bars and gill slits (surrounding an open cavity), notochord (touching the top-most gill bars), and nerve cord (touching the top of the notochord).  Seen at approximately 40x magnification.
A cross section through the gill region of an Amphioxus (lancelet; phylum Chordata, subphylum Cephalochordata). Visible is the muscle tissue (striated red), gill bars and gill slits (surrounding an open cavity), notochord (touching the top-most gill bars), and nerve cord (touching the top of the notochord). Seen at approximately 40x magnification.
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Keywords:
  • Amphioxus
  • Cephalochordata
  • Chordata
  • Marc Perkins
  • OCC
  • animal
  • cross section
  • gill
  • lancelet
  • microscope
  • nerve cord
  • notochord
  • preserved
  • slide
  • stained
  • zoology