Lung buds

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Lung buds
Lung buds from a human embryo of about four weeks, showing commencing lobulations.
Lungs of a human embryo more advanced in development.
Gray's subject #235 1071
Days 28
Precursor foregut (ventral)
Dorlands/Elsevier b_25/12199615

The cephalic part of the laryngo-tracheal tube becomes the larynx, and its next succeeding part the trachea, while from its caudal end two lateral outgrowths, the right and left lung buds, arise, and from them the bronchi and lungs are developed.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.