noun
cell biology
Academic field studying the structure, function, and behavior of cells.
彼女は大学で細胞生物学を専攻している。
She is majoring in cell biology at university.
分子生物学 (molecular biology) focuses on biological molecules like DNA and proteins, while 細胞生物学 studies whole cells.
Compound of 細胞 (cell) + 生物学 (biology).