Osteogenic gene expression in the temporal region of the opossum embryos: an insight into the evolution of synapsid skull unique to mammalian lineage
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The skull of amniotes is categorized into three conditions based on skeletal arrangement in the temporal region: anapsid, synapsid and diapsid. Mammals (class Mammalia), a descendent lineage of the clade Synapsida, possess the synapsid skull, which is characte... ...
