Fig. 3
From: Quantitative holographic analysis in stallion spermatozoa following cryopreservation

Holographic Tomographic Analysis of Stallion Spermatozoon Substructures Based on Refractive Index Values. (a) Whole cell, (b) post-acrosomal region and midpiece, (c) nuclear region and (d) merged tomogram with subcellular structures corresponding to different RI ranges reported with different colors.