PMID: 45256Dec 1, 1979

Alkaline phosphatase activity of the bursa of Fabricius: histochemical study in the normal embryo and during allograft reactions

Bulletin de l'Association des anatomistes
H Gérard

Abstract

Alkaline phosphatase activity allows a certain discrimination between lympho-inhibition following a direct action on the lymphoid stem cells or a modification of mesenchyme/epithelium interactions; in this study we have compared the evolution of this activity in untreated chick embryos and in chick embryos following graft-versus-host-reactions. The important decrease of mesenchyme alkaline phosphatase activity induced here, involves a localisation of allograft reaction in this tissue; this result does not agree with the former explanations about a direct action on the lymphoid stem cells.

Related Concepts

Embryo
Establishment and Maintenance of Localization
Bursa of Fabricius
Spleen
Entire Embryo
Epithelium
Graft Vs Host Reaction
Alkaline Phosphatase
Alkaline Phosphatase Activity
Chick Embryo

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