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cavities and linings #86
The FMA has the scheme:
E.g. pleural sac (showing constitutional part of hierarchy):
EHDAA2 has the scheme "cavity" = lining (e.g. mesothelium) + lumen. Note the "lumen" is equivalent to what FMA calls a cavity, whereas EHDAA2's "cavity" includes the lining as part. Compare the representation of the embryonic form of the same structure:
The PCL is equivalent to the mesothelium of pleura, but there isn't a clean map for what EHDAA2 calls the cavity.
Note that in MA, pleura (a type of cavity lining) is part_of the pleural cavity. This makes MA:pleura equivalent to PCL in EHDAA2
Uberon doesn't do a great job of generalizing over these consistent but different schemes. Awaiting advice from JB on development of these structures.
For a more complex example:
FMA also has "pericardial serosa" in a separate hierarchy
Note from JB: A quick glance at the web (http://en.wikipedia.org/wiki/Visceral_pleura) says that the pleura are actually the mesothelial linings of the lung or what EHDAA2 calls lung mesothelium, which is derived from lateral mesoderm. I think that this is a terminology rather than a biological problem