laryngotracheal

from The Collaborative International Dictionary of English v.0.48

Laryngotracheal \La*ryn`go*tra"che*al\, a. [Larynx + tracheal.]
   (Anat.)
   Pertaining to both larynx and trachea; as, the
   laryngotracheal cartilage in the frog.
   [1913 Webster]