Jaiminīya Upaniṣad Brāhmaṇa 3.3.4

3.3.4

śaśvad dha vā amuṣmiṁl loke yad idam puruṣasyāṇḍau śiśnaṃ karṇau nāsike yat kiṃ cānasthikaṃ na sambhavati /

For indeed, constantly in yonder world, what is in this man the testicles, penis, ears, nostrils, and whatever is boneless, does not come into being.