Assertion: alimentary canal's layer | /r/Synonym | tunic
Facets:
Source sentences:
text: The gastrointestinal (GI) tract is composed of four layers of tissue, known as tunics.
text: The walls of the alimentary canal have the same four basic layers, (also known as tunics)
text: The wall of the alimentary canal consists of four layers (also known as ‘tunics’):