| Myelination of the human fetal phrenic nerve. | |
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MedLine Citation:
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PMID: 7113635 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The formation of the myelin sheath of the human phrenic nerve has been studied by electron microscopy in fetuses aged 15, 17, and 23 postovulatory weeks. At 15 weeks, the phrenic nerve is composed mainly of large bundles of axons surrounded by lemmocyte processes. However, fibres at the beginning of myelination are present and show one or one and a half turns of lemmocyte process. At 17 weeks, an increasing number of myelinating fibers can be noted, and the formation of compact myelin and laminated perineurium is detectable. The phrenic nerve presents a mature form by 23 postovulatory weeks. At this time many axons have acquired a thick, compact myelin sheath. However, fibres at early stage of myelin formation are still visible. |
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Authors:
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W Woźniak; R O'Rahilly; M Bruska |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Acta anatomica Volume: 112 ISSN: 0001-5180 ISO Abbreviation: Acta Anat (Basel) Publication Date: 1982 |
Date Detail:
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Created Date: 1982-10-21 Completed Date: 1982-10-21 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0370272 Medline TA: Acta Anat (Basel) Country: SWITZERLAND |
Other Details:
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Languages: eng Pagination: 281-96 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Fetus
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anatomy & histology Humans Microscopy, Electron Myelin Sheath / physiology*, ultrastructure Phrenic Nerve / embryology*, ultrastructure |
| Grant Support | |
ID/Acronym/Agency:
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HD-08658/HD/NICHD NIH HHS |
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