👉 Ulcus, a type of organ in mammals, is made up of two parts. The inner part (lithole) contains the blood vessels and nerves, while the outer part (ulcers) contains the cells and tissues that make up the ulcer.
This term was introduced by the German anatomist Carl Linnaeus in 1753 as a synonym for ulcers, which he named "ulcus." The name "ulcus" is derived from the Latin word "ulc
ulcus