Figure 2 : GPR18 protein is localized to the midpiece of human spermatozoa.

From: Characterization of non-olfactory GPCRs in human sperm with a focus on GPR18

Figure 2

Immunocytochemical staining of human spermatozoa with an α-GPR18 antibody (green). DAPI staining (blue) was used to determine the number and location of spermatozoa. Scale bars: 10 μm. Enlarged: *indicated the zoomed section. Scale bar: 5 μm.