laryngotracheal diverticulum

respiratory diverticulum

the endodermal diverticulum from the floor of the caudal end of the primordial pharynx; it gives rise to the epithelium and glands of the bronchial tree. After this diverticulum separates from the foregut, it is referred to as a tube.
Farlex Partner Medical Dictionary © Farlex 2012

la·ryn·go·tra·che·al di·ver·tic·u·lum

(lă-ring'gō-trā'kē-ăl dī'vĕr-tik'yū-lŭm)
The outgrowth from the caudal end of the floor of the pharynx that gives rise to the larynx, laryngotracheal tube, and the esophagus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012