Complex sentence: The former is differentiated by microcephaly, corneal aplasia, ectropion, bony fusions, hypoplastic nose, and absent thumbs, while the latter is differentiated by woolly hair, brittle nails, ectodermal anomalies, and fissure of the sacral vertebrae.
Split into simpler sentences: The former is differentiated by microcephaly, corneal aplasia, ectropion, bony fusions, hypoplastic nose, and absent thumbs. The latter is characterized by woolly hair, brittle nails, ectodermal anomalies, and fissure of the sacral vertebrae.