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[Morphofunctional characteristics of the striated centrosome rootlets of cultured embryonic pig kidney cells].

The analysis of the centrosome structure in PK-cells has shown that the striated rootlets occur in 25-30% of the cells. Most frequently, the centrosome contains 1-2 rootlets, oriented either to the active or to the nonactive centriole. Occasionally, they occur in both the centrioles simultaneously. The presence of striated rootlets does not correlate with the presence of a primary cilium in the centrosome: there occur centrosomes with the primary cilium but without striated rootlets, and conversely: with striated rootlets but without the primary cilium.