lung bud

(redirected from tracheal bud)
Also found in: Medical.

lung bud

[′ləŋ ‚bəd]
(embryology)
A primary outgrowth of the embryonic trachea; the anlage of a primary bronchus and all its branches.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.