Fig. 3: Wolf phase tomography (WPT) of sperm cells.
From: Wolf phase tomography (WPT) of transparent structures using partially coherent illumination
a 3D refractive index (RI) tomogram of a spermatozoon (×40/0.75 NA objective). b xy-plane projection view. The nucleus, acrosome, centriole, and axial filament of the sperm cell are indicated by white arrows. c xz-plane projection view. d Histogram of the RI of the sperm cell
