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Dicer1 CKO cranioskeletal staining. NB: nasal bone; PX: premaxilla; MX: maxilla; F: frontal; PA: parietal; Z: zygoma; T: temporal; TR: tympanic ring; M: mandible; IP: intraparietal; EO: exoccipital; V: vomer; P: palatine; PS: presphenoid; BS: basiphenoid; HB: hyoid. Bar = 2 mm
