Assertion: alimentary canal's wall | /r/HasAspect | four basic tissue layers
Facets:
Source sentences:
text: The wall of the alimentary canal has four basic tissue layers: the mucosa, submucosa, muscularis, and serosa.
text: The wall of the alimentary canal has four basic tissue layers: the mucosa, submucosa, muscularis, and serosa.
text: The wall of the alimentary canal has four basic tissue layers: the mucosa, submucosa, muscularis, and serosa.