. Comparative anatomy. Anatomy, Comparative. 558 COMPARATIVE ANATOMY Neurolemma cells are added to the nerve either by migration from the neural tube or the dorsal ganglia or from the loose mesenchyma which surrounds the nerve anlage. The migration of medullary cells from the cord appears to be absent in amniote embryos. Some embryologists assume that all neurolemma cells are derived from the dorsal ganglia. The appearance of the medullary sheath is correlated with the enclosure of the neurite by the neurolemma cells. The telodendria of each neurite are associated with the end-plate on the sur
. Comparative anatomy. Anatomy, Comparative. 558 COMPARATIVE ANATOMY Neurolemma cells are added to the nerve either by migration from the neural tube or the dorsal ganglia or from the loose mesenchyma which surrounds the nerve anlage. The migration of medullary cells from the cord appears to be absent in amniote embryos. Some embryologists assume that all neurolemma cells are derived from the dorsal ganglia. The appearance of the medullary sheath is correlated with the enclosure of the neurite by the neurolemma cells. The telodendria of each neurite are associated with the end-plate on the surface of one or more muscle fibers. ectoderm neural crest. neural plate. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Neal, Herbert V. (Herbert Vincent), 1869-1940; Rand, Herbert W. (Herbert Wilbur), 1872-1960. Philadelphia : P. Blakiston's Son
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