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Fig. 2 | BMC Genomics

Fig. 2

From: Molecular machineries of ciliogenesis, cell survival, and vasculogenesis are differentially expressed during regeneration in explants of the demosponge Halichondria panicea

Fig. 2

Histological sections of the aquiferous system of Halichondria panicea using light microscopy a No osculum explant (NOE) with a few intact canals (ca). b No osculum explant (NOE) with an intact canal (ca). White arrows indicate archaeocytes. c Pumping explant (PE) showing choanocytes aggregated and forming chambers in the mesohyl (black arrows) and archaeocytes (white arrow) close to canals (ca). d Pumping explant (PE) with a fully organized aquiferous system, including pinacoderm layer (pd), subdermal membrane (sd), canals (ca), and choanocyte chambers (black arrows). e Pumping explant (PE) showing choanocyte chambers (black arrows) and some aggregates of choanocytes (white arrows). Inset: Close up of a choanocyte chamber (black arrows) located near two canals (ca) lined by pinacocytes (pi). f Pumping explant (PE) with fully organized aquiferous system: choanocyte chambers (black arrows) and canals (ca)

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BMC Genomics

ISSN: 1471-2164

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