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Ultrastructural observations in the grey short-tailed opossum (Monodelphis domestica) and rat revealed that ensheathing cells were intimately related to the early formation of olfactory axons. Whilst the axons were still in the olfactory epithelium, they were enveloped by ensheathing cell processes which formed a cradle-like structure on the basal side of(More)
Ensheathing cells were isolated from neonatal rat olfactory bulbs and cultured in the presence of glial growth factor 2 (GGF2). Proliferation assay showed that at concentrations of up to 60 ng/ml GGF2, ensheathing cells underwent a modest increase in proliferation rate. This stimulation was not maintained at high doses of GGF2 at 100 ng/ml or more.(More)
The response of olfactory Schwann cells was assessed at 2, 4, and 7 days following intranasal zinc sulfate irrigation in 1-month-old mice. Ultrastructural and immunohistochemical observations showed dramatic differences between experimental and control mice which had been washed with saline intranasally. Two days after zinc sulfate treatment, many olfactory(More)
The correlation between detailed kinetic studies and ultrastructural localisation of particles during carbon clearance in normal animals illustrates that single order kinetics are not always obtained and phagocytosis is not always the major clearing process. During the early stages of clearance adherence of particles to platelets and to macrophage surfaces(More)
It has been shown in previous studies that the marsupial central nervous system is born at a relatively immature state. Although olfaction is thought to play a role in guiding the locomotion of the newborn, the cellular substrates on which this notion is based have not been systemically investigated. This review article summarises the anatomical development(More)
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