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Factors influencing villous height
| • Age | • Diurnal variation |
| • Ethnicity | • Parasites |
| • Gender | • Infections |
| • Genetic background | • Drug ingestion |
| • Geo-cultural habitat | • Allergy/Atopy |
| • Handling artefacts- | • Microbiome - |
| • forceps trauma | • Local intestinal |
| • fixation contraction | • Maternal |
| • embedding medium | • Diet |
| • imperfect sectioning | • Motility/ Peristalsis |
| • Food sensitivities |
