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 ?
Inhibitory control over Fgf10 involves sprouty (Spry2) and sonic hedgehog (Shh), which are highly diffusible factors secreted by the epithelium of the developing lung bud (Mason et al.
Pulmonary sequestration is the result of an accessory lung bud that develops from the ventral primitive foregut as it migrates caudally.
Human lung growth starts as a primitive lung bud in early embryonic life and undergoes several morphological stages which continue into postnatal life.