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Olfactory bulbs of 8-, 12-, 16- and 30-day-old rats were studied by means of immunocytochemistry using antibodies to glial fibrillary acidic protein (GFAP) and with the Toluidine blue-staining of semithin sections. Until day 12 the GFAP-reaction revealed a radial glia system, the fibres of which extended from the axial ventricular cleft to the surface. From day 16 onwards radial fibres were gradually replaced by typical astrocytes. The lack of proliferative activity within the bulb during the early postnatal period suggests that its cells are generated at and migrating from an external site. An intensely proliferating area was detected in the frontal lobe subventricular layer from where a bundle of migratory cells extends into the bulb. Radial glia may thus be of importance in guiding the migration of cells from this axial bundle to more peripheral regions of the olfactory bulb.
F Hajós, and
K Gallatz
January 1981,
Anatomy and embryology,
F Hajós, and
K Gallatz
February 2002,
Brain research. Developmental brain research,
F Hajós, and
K Gallatz
March 1985,
Neuroscience letters,
F Hajós, and
K Gallatz
January 1997,
Journal fur Hirnforschung,
F Hajós, and
K Gallatz
January 1990,
Glia,
F Hajós, and
K Gallatz
September 1988,
Investigative ophthalmology & visual science,
F Hajós, and
K Gallatz
January 1987,
Anatomischer Anzeiger,
F Hajós, and
K Gallatz
January 1986,
Acta neuropathologica,
F Hajós, and
K Gallatz
January 1979,
Experimental eye research,
F Hajós, and
K Gallatz
March 1988,
Diagnostic cytopathology,
