<prompt> Which of the following is a zone observed in hard palateFatty zoneGlandular zoneGingival regionAll of the following  <response>: The following zones can be observed in hard palate Gingival region, adjacent to the teeth.Palatine raphae, also known as median area, extending from the incisive papillae or palatine papillae posteriorly.Anterolateral area or fatty zone between the raphae and gingiva.Pcsterolateral area or glandular zone between the raphae and gingiva. 