Annulate lamellae,lamellar bodies and subsurface cisternae in neurons of the avian hyperstriatum accessorium |
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Authors: | Dr. P. E. Spoerri P. Glees |
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Affiliation: | (1) Institut für Histologie and Neuroanatomie, Georg-August-Universität Göttingen, Bundesrepublik, Deutschland;(2) Institut für Histologie und Neuroanatomie, Georg-August-Universität Göttingen, Kreuzbergring 36, D-3400 Göttingen, Germany |
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Abstract: | Summary Structures identified as annulate lamellae, lamellar bodies and subsurface cisternae were found in neurons of the hyperstriatum accessorium of the avian forebrain. Annulate lamellar arrays with up to six lamellae were present in the larger somata. The lamellae were made up of fused smooth-surfaced cisternae forming pores or annuli and were surrounded by a dense filamentous to granular material. Stacks of nonfenestrated, parallel, regularly spaced cisternae, designated as lamellar bodies, also appeared in the cytoplasm. When flattened they were reminiscent of the electron dense subsurface cisternae. Continuity could be demonstrated between peripherally located subsurface cisternae and lamellar bodies. The dense filamentous to finely granular substance was also located between these structures. Annulate lamellae, lamellar bodies and subsurface cisternae were always observed in conjunction with the rough endoplasmic reticulum. The functional significance of these structural associations is considered. |
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Keywords: | Annulate lamellae Lamellar bodies Subsurface cisternae Endoplasmic reticulum Avian neurons (hyperstriatum accessorium) |
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