The relative proportion of pre-enterochromaffin (argyrophile) and enterochromaffin (argentaffin) cells in the gastro-intestinal tract of human foetuses.
D002838:Chromaffin System / Q000166:cytology*; D005333:Fetus / Q000033:anatomy & histology*; D006801:Humans; D066298:In Vitro Techniques; D007420:Intestine, Large / Q000166:cytology / Q000196:embryology*; D007421:Intestine, Small / Q000166:cytology / Q000196:embryology*; D013194:Staining and Labeling