Abstract
The haemopoietic cells of the yolk sac wall of 16‐day‐old chick embryos were locally labelled with 3H‐thymidine in situ. Appropriate controls for the isotope leaking to other parts of the embryo during the local labelling procedure were performed. With autoradiographic technique heavily labelled haemopoietic cells derived from the yolk sac were demonstrated in the thymus and in the bursa of Fabricius 24 hours later. These results directly support the view that the haemopoitic areas of the yolk sac is at least one origin of the lymphoid precursor cells entering the embryonic chick thymus and bursa of Fabricius.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Acta pathologica et microbiologica Scandinavica. Section A, Pathology
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
