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. 2020 Aug 28;8:821. doi: 10.3389/fcell.2020.00821

FIGURE 3.

FIGURE 3

Disappearance of Meckel’s cartilage during development. Murine skeletal elements stained with alizarin red (bone) and alcian blue (cartilage) at stages: E15 (A), 16 (B), 19 (C), P1 (D,D1), P4 (E,E1), P7 (F,F1). In figures (D,E,F) MC has been dissected away from the surrounding tissues, in figures (D1,E1,F1) MC remains in situ surrounded by the cranial skeletal elements of the ear and jaw. Gonial bone (GB), incus (I), malleus (M), Meckel’s cartilage (MC), tympanic ring (TR). Taken from skeletal preps available in Svandova lab.