11. Most of the fermentation occurs with the help of cellulolytic microorganisms within the caecum of the large intestine. 12. They have an enlarged caecum , and, like rabbits, are coprophagic, passing food through their digestive tract twice. 13. Transition between the different types of epithelium occurs at ileum and caecum , and at the pectinate line of the anus. 14. The koala conserves water by passing relatively dry faecal pellets high in undigested fibre, and by storing water in the caecum . 15. Species of the other three families of " Aspidogastrea " have a single caecum and either one or two testes. 16. It was isolated from the liver, duodenum, and caecum of broiler and layer chickens, and from humans with gastroenteritis. 17. The young worms move to the caecum and penetrate the mucosa and there they complete development to adult worms in the large intestine. 18. The large intestine of eastern quolls is relatively simple, having no caecum , and not being divided into a colon and rectum. 19. Sheath; with a single retractor muscle, inserting rather close to the beginning of the vas deferens, without a flagellum or caecum . 20. Also unlike in " Deroceras invadens ", the penial glands are knobbly and attach closer to the caecum than to the lobe.
