Gastrointestinal Tract - Postnatal

Introduction

This page is an introduction to postnatal gastrointestinal tract development. This nutritionally involves a change from prenatal placental vascular nutrition to postnatal oral colostrum/milk enteral nutrition (enteral = nutritient delivery as fluid into the gastrointestinal tract).

These notes should be read in conjunction with the detailed page Milk Notes and an understanding of prenatal Gastrointestinal Tract Development.

Lipid Signalling

Lipids present in the intestine leads to a reduction in nutrient intake. Recent research has shown that lipids present in the intestine can also regulate endogenous nutrient production.

Signalling pathway:

presence of ingested lipids

↓

intestinal lipid sensors

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signal to the brain

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liver

↓

reduction in endogenous glucose production

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Cite this page: Hill, M.A. (2024, June 26) Embryology Gastrointestinal Tract - Postnatal. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Gastrointestinal_Tract_-_Postnatal

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G