| 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2126 | 
                            
                               Adrenal glands
                             | 
                            PAXgene | 
                             
                               2
                             | 
                              
                               2 pieces; 30-40% of each is fat
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2226 | 
                            
                               Skin, leg
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               6 pieces; ~5-10% internal fat, epidermis measures 57 microns, focal parakeratosis
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2326 | 
                            
                               Adipose tissue
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; one includes small amount of fibrous tissue and portion of large vessel
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2426 | 
                            
                               Artery - tibial
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; one piece is artery, one is nerve
                             | 
                             
                               Unacceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2526 | 
                            
                               Nerve - tibial
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; includes ~10 and 30% internal/external fat
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2626 | 
                            
                               Skin, suprapubic
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               6 pieces; one piece with ~20% attached and internal fat, some parakeratosis
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2726 | 
                            
                               Muscle, skeletal
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; includes minimal internal fat/nerve
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2826 | 
                            
                               Brain - cerebellum
                             | 
                            PAXgene | 
                             
                               2
                             | 
                              
                               4 pieces; purkinje cells well visualized, few with ? evidence of hypoxic damage
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-2926 | 
                            
                               Brain - cortex
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               4 pieces
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17HG3
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-17HG3-3026 | 
                            
                               Pituitary gland
                             | 
                            PAXgene | 
                             
                               2
                             | 
                              
                               1 piece; adenohypophysis and neurohypophysis, portion of dura
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0126 | 
                            
                               Skin, leg
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               6 pieces; well trimmed, but with 30-40% dermal fat
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0226 | 
                            
                               Adipose tissue
                             | 
                            PAXgene | 
                             
                               0
                             | 
                              
                               2 pieces; 5% fibrous content mainly on the edges
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0326 | 
                            
                               Muscle, skeletal
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; 15% internal fat
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0426 | 
                            
                               Nerve - tibial
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; 5% internal fat; well trimmed
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0526 | 
                            
                               Artery - tibial
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; no lesions; well trimmed
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0626 | 
                            
                               Thyroid gland
                             | 
                            PAXgene | 
                             
                               2
                             | 
                              
                               2 pieces; well dissected
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0726 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; atrophic ducts (circled) confined to 1 piece; fat comprises >95%
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0826 | 
                            
                               Atrial appendage
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; 10% internal fat content
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-0926 | 
                            
                               Aorta
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               6 pieces; thin plaques; adventitial fat up to 0.7 mm thick
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-1026 | 
                            
                               Coronary artery
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               1 piece; large eccentric calcified plaque occludes 50%; perivascular fat up to 0.6 mm thick
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-1126 | 
                            
                               Heart
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; patchy hypereosinophilia [delineated] may indicate early ischemia
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-1226 | 
                            
                               Esophagus - mucosa
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               6 pieces; well preserved; submucosal glands occupy 5-10% in each piece
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-1326 | 
                            
                               Esophagus - muscularis
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               6 pieces; scattered skeletal muscle fibers in 1 piece [circled] <1% 
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-1426 | 
                            
                               Gastroesophageal junction
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               6 pieces; well dissected target muscle
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-17JCI
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-17JCI-1526 | 
                            
                               Lung
                             | 
                            PAXgene | 
                             
                               2
                             | 
                              
                               2 pieces; extensive pulmonary edema & hemorrhage; focal collection of bronchial cells in air spaces (delineated)
                             | 
                             
                               Acceptable
                             | 
                             |