4) The apical organ of the trochaea was lost in the adult, whereas the periblastoporal nerve became differentiated into an oral loop (with an anterior part becoming incorporated in the brain), a pair of nerve cords along the fused blastopore lips, and a small perianal loop.
The sword became differentiated from the dagger during the Bronze Age (c. 3000 bce), when copper and bronze weapons were produced with long leaf-shaped blades and with hilts consisting of an extension of the blade in handle form.
Oryza became differentiated in tropical Asia in the Miocene.
lacrymans became differentiated from var. shastensis due to Beringan vicariance.
However immediately after weaning, at PND22, heart rates became differentiated between sexes.
Later, that darkness is filled with guts, and, later yet, the guts become differentiated into organs with the simplistic functions we learn about in seventh-grade biology class: the liver filters, the heart pumps, the spleen, well, surely it does something.
Another plastid trait which has evolved as higher and lower plants became multi-cellular organisms with defined cell types, was for the plastid to become differentiated into different plastid types in different types of plant cell.
Flowers represent modified shoots that have become differentiated for reproduction.
Thus, Yan levels are variable at the time when cells actually become differentiated.
The PEO then ceases to exist and PEO-derived cells become differentiated to form the epicardium.
