MUC5AC mRNA distribution in embryonic, fetal and adult intestine
| Age (weeks) | Number | Small intestine | Colon |
| 10 | 2 | − | − |
| 10.5 | 3 | 1+/2− | − |
| 12 | 2 | 1+/1− | − |
| 12.6 | 1 | − | ND |
| 13 | 1 | − | − |
| 13.3 | 1 | − | ND |
| 14.1 | 3 | − | ND |
| 14.3 | 1 | − | ND |
| 14.6 | 2 | − | ND |
| 14.7 | 1 | − | ND |
| 14.8 | 1 | − | ND |
| 14.9 | 2 | − | ND |
| 15.0 | 2 | − | ND |
| 15.1 | 1 | − | ND |
| 15.2 | 1 | − | ND |
| 18 | 1 | − | − |
| 23 | 1 | − | − |
| 26 | 2 | − | − |
| 27 | 1 | − | − |
| Adults | 197-150 | − | − |
↵7-150 Three jejunums, six ileums, 10 colons.
ND, not determined.