Immunogold labelling of lactase on enterocyte microvilli

Transmission electron microscope image of a cryosection of a pig jejunal enterocyte labelled with anti-lactase antibody and 10-nm immunogold. Prepared by the Tokuyasu technique. Image taken on a Philips (FEI) CM12 STEM at 80 kV. Scale bar = 500 nm. Submitted by: The Editor