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. 1975 Nov 19;163(4):415-31.
doi: 10.1007/BF00218489.

Frequency of occurrence and position of cilia in fibroblasts of the periodontal ligament of the mouse incisor

W Beertsen, V Everts, J M Houtkooper

Frequency of occurrence and position of cilia in fibroblasts of the periodontal ligament of the mouse incisor

W Beertsen et al. Cell Tissue Res. .

Abstract

Solitary cilia occur in motile as well as in non-motile fibroblasts of the peridontal ligament. The cells which moved with the erupting incisor are bipolar and oriented with their long axes parallel to the tooth surface. In cross section these cells have a flattened appearance. Cilia are localized in close vicinity to the nuclear area and show a definite orientation with respect to the transverse cell axis. The frequency of occurrence of this organelle was estimated from the percentage of diplosomes containing a basal body. Analysis of the composition of the paired structures indicated that at least 70 per cent of the fibroblasts are ciliated. The frequency of cilia in motile fibroblasts does not differ from that in non-motile cells suggesting that the presence of this organelle is not directly associated with cell locomotion.

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