Digestive System. - 11 Microscope Slides - 1. Lip, human foetus, t.s. 2. Tooth, developing, human foetus, l.s. 3. Tongue, cat, t.s. 4. Sublingual gland, human, t.s. 5. Oesophagus of rabbit, t.s. 6. Stomach, human, pyloric region, t.s. 7. Small intest 1 * 11 items