File:The-Ventral-Organs-of-Pycnogonida-(Arthropoda)-Are-Neurogenic-Niches-of-Late-Embryonic-and-Post-pone.0095435.s003.ogv

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Original file ‎(Ogg Theora video file, length 33 s, 712 × 700 pixels, 726 kbps, file size: 2.88 MB)

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English: Detaching apical cell clusters and cell divisions in walking leg ganglion 1 of late PS 1 of Pseudopallene sp. Tyrosine tubulin (red) and PH3 (yellow) labeling with Hoechst (blue) counterstain, virtual transverse section series, Imaris oblique slicer passing from posterior to anterior through the ganglion anlage. The apical pits have completely closed and a small central cavity is formed in the resulting apical cell cluster. The formerly apical poles of the cluster cells (including NSCs) are directed towards the cavity. A thin layer formed by epidermal cells with small apico-basally flattened nucleus covers the cell clusters. Note persisting size differences between the cluster cells, NSC divisions within clusters as well as some smaller INP divisions in the anterior and posterior cell streams. Several intensely labeled pycnotic bodies point to the occurrence of cell death between apical clusters and ganglion proper and in part also within the cell streams.
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Source Movie S3 from Brenneis G, Scholtz G (2014). "The 'Ventral Organs' of Pycnogonida (Arthropoda) Are Neurogenic Niches of Late Embryonic and Post-Embryonic Nervous System Development". PLOS ONE. DOI:10.1371/journal.pone.0095435. PMID 24736377. PMC: 3988247.
Author Brenneis G, Scholtz G
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current07:46, 23 April 201433 s, 712 × 700 (2.88 MB)Open Access Media Importer Bot (talk | contribs)Automatically uploaded media file from Open Access source. Please report problems or suggestions here.

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