Optical diffraction and translational reinforcement of microtubules having a prominent helical wall structure.
D000818:Animals; D003593:Cytoplasm; D008297:Male; D008722:Methods; D008854:Microscopy, Electron; D055095:Optics and Photonics; D013094:Spermatozoa / Q000166:cytology*; D014200:Trematoda