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. 2019 Dec 3;8(12):2130. doi: 10.3390/jcm8122130

Figure 1.

Figure 1

(A) Schematic representation of the ossicular chain; (B) Diagrammatic illustration of the theory suggesting that the medial portion of the footplate is derived from the otic capsule, while the lateral portion is derived from the second pharyngeal arch; (C) Diagrammatic illustration of the theory suggesting that the footplate is derived solely from the second pharyngeal arch. PA: pharyngeal arch.