生せい殖しょく腺せんせいしょくせんMeanings1noungonadBiological term for the reproductive gland (ovary or testis). Used in medical and scientific contexts.生せい殖しょく腺せんは精せい子しや卵らん子しを作つくる器き官かんです。The gonads are organs that produce sperm or eggs.