Assertion: mammalian middle ear | /r/DistinctFrom | that of other land tetrapods
Facets:
value: very
type: DEGREE
Source sentences:
text: The three-ossicle mammalian middle ear is very different from that of other land tetrapods, which possess a single ossicle, the two additional ossicles having evolved by a transformation of the original jaw joint (20, 21).