Made mostly of triacylglycerols Triacylglycerols Fatty Acids and Lipids and cholesterol Cholesterol The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils.Digestion and Absorption of fat-soluble vitamins Essential in absorption Absorption Absorption involves the uptake of nutrient molecules and their transfer from the lumen of the GI tract across the enterocytes and into the interstitial space, where they can be taken up in the venous or lymphatic circulation.An extension of the term includes substances dissolved in media other than water. Provide essential fatty acids Acids Chemical compounds which yield hydrogen ions or protons when dissolved in water, whose hydrogen can be replaced by metals or basic radicals, or which react with bases to form salts and water (neutralization).Dietary lipids Lipids Lipids are a diverse group of hydrophobic organic molecules, which include fats, oils, sterols, and waxes.Students: Educators’ Pro Tips for Tough Topics.Fundamentals of Nursing: Clinical Skills.
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