(A) Binding of boar spermatozoa separated by discontinuous Percoll density gradient (45/90%) to porcine uterine epithelial cells. Sperm bound to epithelial cells are indicated by black arrows. Scale bar : 50 ^µm. (B) Change of binding of divided sperm from Percoll in porcine uterine epithelial cells (pUECs).

Journal of Animal Reproduction and Biotechnology 2020;35:297-306 https://doi.org/10.12750/JARB.35.4.297