Archetypes form the unchanging context from which the contents of cyclic and sequent changes derive their meanings.

They are caused by cyclic changes in the supply of sediment.

The cyclic changes in chromosome size depend on the proteins that attach themselves to telomeres.

The interglacials and glacials coincide with cyclic changes in the Earth's orbit.

Laboratory studies have demonstrated cyclic changes in the melanin pigmentation of the tissue surrounding the testes.

This cyclic nature was caused by cyclic changes in sediment supply and the sedimentary environment.

It was a strictly typical curve of the results of coinciding cyclic change.

Medicine to control or stop the ovulation cycle, if cyclic hormonal changes seem to make your symptoms worse.

That there is a universal law of periodicity or evolution through cyclic change.

There were cyclic changes in himself and his world - but he was still working for the government.