Wiktionary
oligodendroglioma
n. (context medicine English) A glioma believed to originate from the oligodendrocytes of the brain or from a glial precursor cell.
Wikipedia
Oligodendroglioma
Oligodendrogliomas are a type of glioma that are believed to originate from the oligodendrocytes of the brain or from a glial precursor cell. They occur primarily in adults (9.4% of all primary brain and central nervous system tumors) but are also found in children (4% of all primary brain tumors). The average age at diagnosis is 35 years.