Figure 3: TEM micrograph of the oesophagus mucosal cells of Scincus scincus, showing (a) large nucleus (N) (arrow), endoplasmic reticulum (ER) and lysosomes (arrowhead). (Scale bar, 2 μm). (b) the basal membrane (BM), mitochondria (M) and vacuoles (arrowhead). (Scale bar, 10 μm). (c) numerous goblet cells (GC). (Scale bar, 2 μm).