G. Bjornhag et al., THE GASTROINTESTINAL-TRACT OF THE ROCK HYRAX (PROCAVIA-HABESSINICA) .1. MORPHOLOGY AND MOTILITY PATTERNS OF THE TRACT, Comparative biochemistry and physiology. Part A, Physiology, 109(3), 1994, pp. 649-653
The stomach of the rock hyrax (Procavia habessinica) is divided into a
non glandular part with very slow movements, and a glandular part whi
ch rapidly mix the digesta. The large intestine has two fermentation c
hambers, the caecum, which rapidly mixes the digesta, and the colonic
sac, which efficiently, but slowly, mixes digesta. Between these chamb
ers runs the connecting colon. No retrograde transport is observed in
any part of the large intestine.