Lipids. Lipids are important constituent of of the diet because they are a source of high energy value. Lipids are also important because of the fat-soluble vitamins, and essential fatty acids found in the fat of the natural food stuffs. Body fat serves as a very good source of energy, it is stored in adipose tissues.ats and Oils (triglycerides and triacylglycerols) - These are esters of fatty acids with a trihydroxy alcohol, glycerol. A fat is solid at ordinary room temperature, an oil is liquid. Simple Triglycerides-Simple triglycerides are one in which three fatty acids radicles are similar or are of the same type.
Large bowel resection is surgery to remove all or part of your large bowel. This surgery is also called colectomy. The large bowel is also called the large intestine or colon. 1  Removal of the entire colon and the rectum is called a proctocolectomy.  Removal of all of the colon but not the rectum is called subtotal colectomy.
2 The colon is approximately five feet long. Your colon, otherwise referred to as your large intestine, stretches from your small intestine to your anus. In order, its parts are the cecum, the ascending colon, the transverse colon, the descending colon, the sigmoid colon, the rectum and the anal canal.