APPEARANCE OF MONOAMINES IN ADULT AND DEVELOPING NEUROHYPOPHYSIS OF GALLUS GALLUS

被引:18
作者
ENEMAR, A
LJUNGGREN, L
机构
[1] Institute of Zoology, University of Gothenburg
[2] Institute of Zoology, University of Lund
来源
ZEITSCHRIFT FUR ZELLFORSCHUNG UND MIKROSKOPISCHE ANATOMIE | 1968年 / 91卷 / 04期
关键词
D O I
10.1007/BF00455270
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Most of the specific monoamine fluorescence of the fowl neurohypophysis is found in the eminentia mediana and the infundibular stem. The densest accumulation of fluorescent structures is located to the zona externa and the subependymal layer, whereas generally only scattered fluorescence is demonstrable in the fiber layer. The neural lobe tissue is provided with very fine smooth fibers often difficult to distinguish. Spectrofluorimetric determinations have shown that noradrenaline is the major catecholamine in the chick neurohypophysis. From the embryological studies it is evident that the monoamine fluorescence first appears in the subependymal layer, the fiber layer and the neural lobe (after about 15 days of incubation). The zona externa fluorescence is not visible until just before hatching. 10 days after hatching the fluorescence intensity of the chick neurohypophysis is similar to that of the adult. Some comparisons are also made with the appearance of monoamines in the mouse. © 1968 Springer-Verlag.
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页码:496 / +
页数:1
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