Answer
The mucosa and the submucosal layers of the esophagus have glands that secrete mucus.
Work Step by Step
The layers of tissues of the esophagus-- lumen to outer walls-- include mucosa, submucosa, muscularis (circular and longitudinal layers), and the outer adventitia of connective tissues,
Mucus secreting glands of the esophagus are in the mucosa and submucosa.
