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Bratislava Medical Journal 2020 Bratislava Medical Journal Vol.121, No.6, p.437–443,2020
Bratislava Medical Journal 2020 Bratislava Medical Journal Vol.121, No.6, p.437–443,2020
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Bratislava Medical Journal Vol.121, No.6, p.437–443,2020 |
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| Title: Ependymal cells surface of human third brain ventricle by scanning electron microscopy | ||
| Author: M. Lorencova, A. Mitro, M. Jurikova, P. Galfiova, R. Mikusova, L. Krivosikova, A. Janegova, M. Palkovic, S. Polak | ||
| Abstract: OBJECTIVES: The ependymal lining of the human brain ventricular system displays distinct structural differences and functional heterogeneity among individual ependymal cells (ECs). To date, multi-ciliated ECs (E1 cells), bi-ciliated ECs (E2 cells), uni-ciliated ECs (E3 cells), ECs without cilia, and ECs with cytoplasmic protrusions have been described in human brain ventricles. METHOD: Using scanning electron microscopy (SEM), we evaluated ependymal samples from 6 defined regions of the third ventricle from 9 human brains. These regions were strictly defined according to the periventricular structures they neighbour with. RESULTS: We observed different structures on the apical surface of the ECs. Various ECs differed from each other by the presence of microvilli, secretory bodies, and a variable number of cilia, which led us to divide the ECs into several exactly specified types according to their apical morphology. CONCLUSION: We found all types of ECs in every examined region with a predominance of particular types of apical surface of ECs in the individual areas (Tab. 4, Fig. 7, Ref. 22). |
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| Published online: 31-May-2020 | ||
| Year: 2020, Volume: 121, Issue: 6 | Page From: 437, Page To: 443 | |
| doi:10.4149/BLL_2020_071 |
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