1982
DOI: 10.1002/cne.902050406
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Early development of the circumferential axonal pathway in mouse and chick spinal cord

Abstract: The early development of the circumferential axonal pathway in the brachial and lumbar spinal cord of mouse and chick embryos was studied by scanning and transmission electron microscopy. The cellular processes which comprise this pathway grow in the transverse plane and along the lateral margin of the marginal zone (i.e., circumferentially oriented), as typified by the early embryonic commissural axons. The first formative event observed was in the ventrolateral margin of the primitive spinal cord ventricular… Show more

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Cited by 99 publications
(47 citation statements)
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“…These cells project axons from the ventrolatral wall of the hindbrain at stages 11-12, approximately 10 hr after AChE activity is observed in their cell bodies (Weikert et al, 1990). In the spinal cord the first axonal projections arise later, also from intersegmental neurons (for recent reports see Holley, 1982;Holley and Silver, 1987;Oppenheim et al, 1988;Schlosser and Tosney, 1988;Yagunima et al, 1990). In the spinal cord of zebrafish embryos En protein is expressed in interneurons (Hatta et al, 1991).…”
Section: Ventrolateral Stripes Of Chick En-1 Protein In the Hindbrainmentioning
confidence: 98%
“…These cells project axons from the ventrolatral wall of the hindbrain at stages 11-12, approximately 10 hr after AChE activity is observed in their cell bodies (Weikert et al, 1990). In the spinal cord the first axonal projections arise later, also from intersegmental neurons (for recent reports see Holley, 1982;Holley and Silver, 1987;Oppenheim et al, 1988;Schlosser and Tosney, 1988;Yagunima et al, 1990). In the spinal cord of zebrafish embryos En protein is expressed in interneurons (Hatta et al, 1991).…”
Section: Ventrolateral Stripes Of Chick En-1 Protein In the Hindbrainmentioning
confidence: 98%
“…In a number of higher vertebrates, including mouse and chick embryos, large cohorts of spinal commissural neurons are derived from the dorsal neural tube 37 . Therefore, a reduction of commissural neurons could be achieved by partial ablation of this region.…”
Section: Ventral Neuron Position Is Correlated With Commissural Axonsmentioning
confidence: 99%
“…5) 38 . We electroporated either control plasmids or a plasmid expressing DTA into chick embryos at around the onset of the first commissural axons, stage HH18, and analysed them at stage HH25 approximately equivalent to E11.5 in mouse embryos 37,39 . Analysis at later stages was not possible, as the only robust commissural axonal marker available in chick Fig.…”
Section: Ventral Neuron Position Is Correlated With Commissural Axonsmentioning
confidence: 99%
“…However, a small number of postmitotic cells arise in the dorsolateral cord prior to motor neurons. These cells may be an early population of circumferentially projecting neurons described by Holley (1982).…”
Section: Introductionmentioning
confidence: 99%