lung bud

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lung bud

[′ləŋ ‚bəd]
(embryology)
A primary outgrowth of the embryonic trachea; the anlage of a primary bronchus and all its branches.
References in periodicals archive ?
It has been demonstrated that the formation of accessory diaphragm is due to the improper timing in the interaction of the lung buds and septum transversum.
BPS has been postulated to occur due to the formation of an accessory lung bud inferior to the normal lung buds that develop from the primitive foregut as it migrates caudally.
The most widely accepted theory is that it results from formation of an accessory lung bud inferior to the normal lung buds during development.
In humans, primary lung buds develop during the fourth week of gestation from the endoderm of the foregut.