The lipids are a large and diverse group of naturally occurring organic compounds that are related by their solubility in nonpolar organic solvents (e.g. ether, chloroform, acetone & benzene) and general insolubility in water.hospholipids are the main constituents of cell membranes. They resemble the triglycerides in being ester or amide derivatives of glycerol or sphingosine with fatty acids and phosphoric acid.
What causes lung nodules? Quick Answer. According to the Seattle Cancer Care Alliance, lung, or pulmonary, nodules have numerous causes, including fungal or bacterial infection, sarcoidosis, lymphoma, lung cancer and cancers metastasized from other organs.
Many conditions can cause the development of nodules in the thyroid gland, including iodine deficiency, overgrowth of thyroid tissue, cysts, inflammation of the thyroid and the development of a goiter, according to Mayo Clinic. Thyroid cancer can also cause thyroid nodules to develop. Continue Reading.