The sciatic nerve is a large nerve that starts in the lower back. 1  It forms near the spine and is made up from branches of the roots of the lumbar spinal nerves. 2  It travels through the pelvis and then deep into each buttock. 3  It then travels down each leg. It is the longest and widest single nerve in the body.
A triglyceride is an ester derived from glycerol and three to four fatty acids. Triglycerides are the main constituents of body fat in humans and other animals, as well as vegetable fat. They are also present in the blood to enable the bidirectional transference of adipose fat and blood glucose from the liver, and are a major component of human skin oils. There are many different types of triglyceride, with the main division between saturated and unsaturated types. Saturated fats are saturated
Triglycerides are one of the types of lipids present in the human body and can be sourced from food or is manufactured within the body. It derives its name from its chemical structure â three long chain fatty acid molecules bind with one glycerol molecule. Triglycerides are an important means for the storage of food, not only fats, but also excess carbohydrates and proteins. 2  This can be found in the adipose tissue in the body.