| 
                        
                 | 
            
            
                
                        
                        
                                
                                        
                                                Esophagus, pig (labels) - histology slide
                                         | 
                                 
                                
                                        
                                                Micrograph of section of pig esophagus.  
TM = Tunica mucosa;  
TS = Tunica submucosa; 
TMus = Tunica muscularis  
(only the inner circular layer is visible in this micrograph) 
 
Histology image courtesy of OSU College of Veterinary Medicine.  Copyright © Charlotte L. Ownby. Reprinted with permission. 
 
                                         | 
                                 
                         
                 |