Meronyms: ascending palatine artery, descending palatine artery, greater palatine artery, lesser palatine artery

This system of so-called allostasis, of maintaining control through constant change, stands in contrast to the mechanisms of homeostasis that keep the pH level and oxygen concentration in the blood within a narrow and invariant range.

Be careful what you say to him; he's a nettlesome fellow.

We were living a pastoral life.