精せい細さい管かんじ字FuriganaMeanings1nounseminiferous tubuleanatomy›Anatomical term for the tiny coiled tubes in the testes where sperm is produced.精せい細さい管かんは精せい巣そうの内ない部ぶにある細ほそい管かんです。Seminiferous tubules are thin tubes inside the testes.
