Microscopic anatomy of pycnogonida: II. Digestive system. III. Excretory system.

@article{Fahrenbach2007MicroscopicAO,
  title={Microscopic anatomy of pycnogonida: II. Digestive system. III. Excretory system.},
  author={Wolf H. Fahrenbach and Claudia P Arango},
  journal={Journal of morphology},
  year={2007},
  volume={268 11},
  pages={917-35}
}
The digestive system of several species of sea spiders (Pycnogonida, Arthropoda) was studied by electron microscopy. It is composed of the foregut inside a long proboscis, a midgut and a hindgut. Lips near the three jaws at the tip of the proboscis receive several hundred ductules originating from salivary glands. These previously undetected glands open on the lips, a fluted, projecting ridge at the external hinge line of the jaws, i.e., to the outside of the mouth. This disposition suggests… CONTINUE READING

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