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incorrect inference: basibranchial tooth with endodermal contribution #1246
Taken from #1243
This is an interesting case worth independent discussion.
See the explanation here:
ectoderm gives rise to epithelial linings in mouth, endoderm in gut. Teeth should have no endodermal contribution. It seems the placement of basibranchial 2 teeth (from pharyngeal arch 4) is causing confusion here.
The reason is that the assertion that the resp primordium comes entirely from endoderm is the issue