👉 A term that describes a type of leptomeningeal (a type of blood vessel) in the human body, which is present in the brain, spinal cord, and peripheral nervous system. The term "lemmoblastic" refers to a group of cells that are found in these structures and can be found in various parts of the body, including the brain, spine, and heart. These cells are primarily involved in the production of cerebrospinal fluid (CSF), which is