Stomach the first three chambers of which are all lined with oesophageal mucosa. In birds and crocodilians, the stomach is divided into two regions. Anteriorly is a narrow tubular region, the proventriculus, lined by fundic glands, and connecting the true stomach to the crop. Beyond lies the powerful muscular gizzard, lined by pyloric glands, and, in some species, containing stones that the animal swallows to help grind up food. In insects there is also a crop. The insect stomach is called the midgut. Information about the stomach in echinoderms or molluscs can be found under the respective articles. Stomach The stomach
The Stone Age (The Goodies) them. They discover they cannot get back out the dinosaur's mouth, so decide to travel through the creature till they reach its stomach. They are stuck there for a long time, until Graeme comes up with an idea — they will shout through the Tyrannosaurus Rex. So Bill shouts for help, but ends up waking the creature. When the creature's mouth opens, they all run out and climb back up the hole to their office. Graeme states he wishes he could have a better examination of the creature, when it smashes through the floor and tips the office over. The