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  Vol. 28 No. 3, March 1973 TABLE OF CONTENTS
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Muscle and Central Nervous System Metamorphosis

Histology and Autoradiography

Willem A. Jager, MD; J. M. B. Vianney de Jong, MD; Jan B. van der Schoot, MD

Arch Neurol. 1973;28(3):191-194.


Abstract

In the tadpole and during the early metamorphotic stage of Rana temporaria, sarcoplasmic masses occur throughout the musculature.

During the metamorphotic stage of Xenopus laevis, denervation features occur with (in lesser degree) sarcoplasmic masses or granular degeneration.

Autoradiographic study in X laevis has revealed a blood-brain barrier in the tadpole to levothyroxine l 125, liothyronine I 125, sodium iodide 125, liothyronine 1131, and levothyroxine I 131. This barrier persists in the tail segment of the spinal cord during metamorphosis, but disappears for the brain and the trunk level of the cord. Similar observations were made with levothyroxine l 131 in R temporaria.



Author Affiliations

Amsterdam

From the Wilhelmina Gasthuis, Laboratories of Experimental Neurology and Radiology, Amsterdam.


Footnotes

Accepted for publication Oct 26, 1972.

Reprint requests to Department of Neurology, Wilhelmina Gasthuis, Eerste Helmersstraat 104, Amsterdam 1013 (Dr. Jager).



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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES

Sarcoplasmic Masses: Enzyme Histochemistry and Autoradiography
Jager et al.
Arch Neurol 1975;32:247-249.
ABSTRACT  





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