part of part of in taxon results in development of chorionic trophoblast cell cell development chorionic trophoblast cell differentiation chorionic trophoblast cell development The process whose specific outcome is the progression of the chorionic trophoblast over time, from its formation to the mature structure. Cell development does not include the steps involved in committing a cell to a specific fate. GO:0060719 2009-06-11T02:58:45Z dph Theria <mammals>