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
Hypertriglyceridemia is an accumulation of substances called lipoproteins rich in triglycerides. Triglycerides are lipid molecules which result from the fixing on a fatty acid glycerol molecule. They are formed in the intestine from lipids from the diet and in the liver from excess sugar from the diet. They are one of the main energy sources of the organism. As triglycerides are hydrophobic molecules are insoluble in water, they are always associated with substances, lipoproteins, which provide transportation.