"Air Sacs" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Thin-walled sacs or spaces which function as a part of the respiratory system in birds, fishes, insects, and mammals.
- Air Sacs
- Air Sac
- Sac, Air
- Sacs, Air
- Air Bladder
- Air Bladders
- Bladder, Air
- Bladders, Air
Below are MeSH descriptors whose meaning is more general than "Air Sacs".
Below are MeSH descriptors whose meaning is more specific than "Air Sacs".
This graph shows the total number of publications written about "Air Sacs" by people in this website by year, and whether "Air Sacs" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.