Photograph of a dissected specimen of the stomach of a llama showing the interior (mucosal) aspect. From left to right, note the muscular septae dividing the glandular saccules of the first compartment (C1), the wider saccules of the smaller reniform second compartment (C2), and the long, tubiform third compartment (C3), of which the aborad fifth of the mucosa is thicker and lined with gastric glands. Ruler shown for scale.