Figure 5
From: Insight into diatom frustule structures using various imaging techniques

SEM images of cross-section of D. geminata valve: (A) naturally broken shell; (B–D) after FIB cut.
From: Insight into diatom frustule structures using various imaging techniques
SEM images of cross-section of D. geminata valve: (A) naturally broken shell; (B–D) after FIB cut.