Assertion: esophagus's part | /r/MadeOf | smooth muscle
Facets:
Source sentences:
text: The intermediate part is mixed, and the lower part, with rare exception, contains only smooth muscle.
text: Furthermore, the upper part of the esophagus is composed of skeletal muscles, whereas the lower part contains only smooth muscles.
text: The muscular fibers in the cranial part of the esophagus are red and consist chiefly of striated muscle; the intermediate part is mixed; and the lower part, with rare exceptions, contains only smooth muscle.
text: Its middle part is a mixture of skeletal and smooth muscle, and its lower, or distal part contains smooth muscle.