70300 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 intestine of cat, t.s. stained for goblet cells (PAS-HE) 8. Appendix, human, t.s. 9. Colon (large intestine), human, t.s. 10. Pancreas, human, t.s. with islets of Langerhans 11. Liver, human, t.s.