Assertion: alimentary canal's wall | /r/HasProperty | contain
Facets:
value: in rows
type: LOCATION
Source sentences:
text: In birds the stomach exhibits two regions, an anterior glandular region, the proventriculus, the walls of which are relatively soft and contain enlarged digestive glands aggregated in patches (e.g. some Steganopodes), in rows (e.g. most birds of prey) or in a more or less regular band.