Mahabharata 12.178.8

संधिष्वपि च सर्वेषु संनिविष्टस्तथानिलःशरीरेषु मनुष्याणां व्यान इत्युपदिश्यते

saṃdhiṣvapi ca sarveṣu saṃniviṣṭastathānilaḥśarīreṣu manuṣyāṇāṃ vyāna ityupadiśyate

Our plain-language meaning of this verse is waiting for scholar review.