Entoderm and its derivatives

  • Yvette W. Kunz
Part of the Fish & Fisheries Series book series (FIFI, volume 28)

Abstract

The entoderm (endoderm, enteroderm) is the inner germ layer of the gastrula; it furnishes the lining epithelia of the digestive system (pharynx, intestine), as well as the parenchymal cells of liver1, acinar cells of the pancreas, also part of the gills, the pseudobranch (Chapter 15, Figs. 15/10–15/14), the swim bladder, Kupffer’s vesicle (Chapter 14) and part of the pituitary, the adenohypophysis. The hypochord is also thought to be of entodermal origin and is dealt with in Chapter 12. (Fig. 12/4). However, in a recent publication on zebrafish entoderm it was decided that ‘this peculiar tissue...has no obvious association with the gut...but our data show that hypochord is not derived from cells near the margin and implies perhaps that hypochord should not be considered endodermal’ ‘(Warga and Nüsslein-Volhard, 1999)’.

Keywords

Iodide Gall Meso Barb Larg 

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Copyright information

© Springer Science+Business Media Dordrecht 2004

Authors and Affiliations

  • Yvette W. Kunz
    • 1
  1. 1.Maurice Kennedy Research Centre for Emeritus StaffUniversity College Dublin, The National University of IrelandDublin 4Ireland

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