Reports

Resistance to Deformation of Axial Structures in Living Guinea-Pig Spermatozoa

Science  30 Oct 1959:
Vol. 130, Issue 3383, pp. 1188
DOI: 10.1126/science.130.3383.1188

Abstract

Rotation of living guinea-pig spermatozoa can be effected by drawing the shaft of a long microneedle of diameter 0.5 to 1.0 µ across the tail; the special characteristics of this rotation demonstrated in the tail a polygonal structure and high resistance of the peripheral fibrils to deformation by pressure of the microneedle.

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