obophenotype / obophenotype/uberon

auditory ossicle - does it include amphibia?

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Since Feb 16, 2022.

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Description

Should the existing auditory ossicle class be inclusive of amphibian structures?

Taxon and editor notes: This should probably be restricted to mammals - the AAO/XAO structures may group non-homologous structures [Wikipedia:Evolution_of_mammalian_auditory_ossicles] see https://github.com/seger/aao/issues/5. Development notes: Studies have shown that ear bones in mammal embryos are attached to the dentary, which is part of the jaw. These are ossified portions of cartilage -- called Meckel's cartilage -- that are attached to the jaw. As the embryo develops, the cartilage hardens to form bone. Later in development, the bone structure breaks loose from the jaw and migrates to the inner ear area. The structure is known as the middle ear, and is made up of the incus, stapes, malleus, and tympanic membrane. These correspond to the quadrate, prearticular, articular, and angular structures in the reptile jaw. For this reason, researchers believe the similarity of the results shows that mammals and reptiles have a common ancestry

https://github.com/seger/aao/issues/5

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