By Anne Marie Helmenstine, Ph.D. Lipids are a diverse group of fat-soluble biological molecules. Here is a look at different types of lipids and where they are found.1  Triacylglycerols or Triglycerides. 2  The largest class of lipids goes by different names: triacylglycerols, triglycerides, glycerolipids, or fats.y Anne Marie Helmenstine, Ph.D. Lipids are a diverse group of fat-soluble biological molecules. Here is a look at different types of lipids and where they are found.
Lymph nodes become swollen in response to illness, infection, or stress. Swollen lymph nodes are one sign that your lymphatic system is working to rid your body of the responsible agents. Swollen lymph glands in the head and neck are normally caused by illnesses such as: 1  ear infection.
Read more about complications of Heberden's nodes. Causes of Heberden's nodes. Osteoarthritis; more causes...Â» Read more about causes of Heberden's nodes. Read more about causes of Heberden's nodes. Disease Topics Related To Heberden's nodes. Research the causes of these diseases that are similar to, or related to, Heberden's nodes: Osteoarthritis