Primitive gas exchange portion of the lung composed of type I and type II cells[GO]. [ http://amigo.geneontology.org/amigo/term/GO:0060430 ]
This is just here as a test because I lose it
Term information
Term relations
Subclass of:
- organ part
- endoderm-derived structure
- part of some alveolus of lung
- has part some pulmonary alveolar epithelial cell