lung bud
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tracheal bud
the outgrowth from the caudal end of the floor of the respiratory diverticulum.
Synonym(s): lung bud, primary lung bud
Farlex Partner Medical Dictionary © Farlex 2012
res·pi·ra·to·ry di·ver·tic·u·lum
(res'pir-ă-tōr-ē dī'vĕr-tik'yū-lŭm)Primordial pharynx that gives rise to the epithelial lining of the respiratory tract on glands of the bronchial tree.
Synonym(s): lung bud, tracheobronchial diverticulum.
Synonym(s): lung bud, tracheobronchial diverticulum.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
lung bud
In the embryo, a pouch that grows out of each side of the developing foregut tube beginning at stage 12 (26 days). It pushes into the primitive pleural coeloms and continues to elongate and branch to become the embryonic lung.
See also: bud
Medical Dictionary, © 2009 Farlex and Partners