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==Fig. 1. Profile reconstructions showing the spinal ganglia and their dorsal roots in the tail region of the human embryo== | ==Fig. 1. Profile reconstructions showing the spinal ganglia and their dorsal roots in the tail region of the human embryo== | ||
white - Last two lumbar ganglia | |||
stippled - Sacral ganglia | |||
solid black - coccygeal ganglia | |||
It will be noted that in the period included between these two stages marked regressive changes have aflected the entire coccygeal region of the spinal cord, with complete disappearance of the last three coccygeal ganglia, in sharp contrast to the sacral region of the cord, which undergoes uninterrupted development. The reconstructions are taken from embryos No. {{CE544}}, 11.5 mm, long, and No. {{CE75}}, 30 mm. long, belonging to the [[Carnegie Collection]]. | |||
{{Streeter1919 figures}} | {{Streeter1919 figures}} | ||
[[Category:Carnegie Embryo 544]][[Category:Carnegie Embryo 75]] |
Latest revision as of 14:07, 25 May 2018
Fig. 1. Profile reconstructions showing the spinal ganglia and their dorsal roots in the tail region of the human embryo
white - Last two lumbar ganglia
stippled - Sacral ganglia
solid black - coccygeal ganglia
It will be noted that in the period included between these two stages marked regressive changes have aflected the entire coccygeal region of the spinal cord, with complete disappearance of the last three coccygeal ganglia, in sharp contrast to the sacral region of the cord, which undergoes uninterrupted development. The reconstructions are taken from embryos No. 544, 11.5 mm, long, and No. 75, 30 mm. long, belonging to the Carnegie Collection.
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Reference
Streeter GL. Factors involved in the formation of the filum terminale. (1919) Amer. J Anat. 22(1): 1-11.
Cite this page: Hill, M.A. (2024, May 18) Embryology Streeter1919-fig01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Streeter1919-fig01.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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