noun
osteoblastoma
Medical term for a benign bone tumor arising from osteoblasts. Used in clinical contexts.
骨芽細胞腫は良性の骨腫瘍の一つです。
Osteoblastoma is one type of benign bone tumor.
Compound of 骨芽 (osteoblast) + 細胞 (cell) + 腫 (tumor). The exact historical derivation is uncertain; the term follows standard medical naming conventions.