laryngoptosis

An abnormally low position of the larynx, which may be congenital or acquired; does not impair the health of the neonate. Some degree of l. occurs with aging. [laryngo- + G. ptosis, a falling]

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la·ryn·go·pto·sis (lə-ring″gop-toґsis) (lə-ring″go-toґsis) [laryngo- + -ptosis] a lowering and mobilization of the larynx, occurring either congenitally or as part of the aging process.