PHYSIOL 201 Lecture Notes - Lecture 30: Calcitriol, Skeletal Muscle, Lipoprotein
Document Summary
When we look at the wall, there are folds called villi and epithelial cells whose membranes are also folded. The folding of the cells are called the brush border. Blood vessels in the submucosa will go up the villi. As things are being absorbed across the epithelial cells, they can enter the capillaries or enter lymph duct called lacteral. Length varies depending on how tall you are. You can live without some parts of the small intestine but one major part is the. The ileum has transporters that are only present in the ileum for the absorption of vitamin b12 and recycling of the bile salts that come from the liver ileum that you can"t live without. So you end up with some nutritional deficiency when someone doesn"t have an. So these individuals can"t make read blood cells ileum. B12 is important for red blood cells production.
