分类及结构特点 被覆黏膜: ◆唇黏膜: ◆颊黏膜: ◆口底和 o parakeratinised epithelium -the keratinocytes 舌腹黏膜: maintain their nuclei ● prickle cell layer ◆软腭黏膜:·ba asal laver rete pegs O lamina propria(underlying connective tissue) Department of Oral Pathology, Shandong UniversityDepartment of Oral Pathology, Shandong University 分类及结构特点  被覆黏膜: 唇黏膜： 颊黏膜: 口底和 舌腹黏膜： 软腭黏膜：  parakeratinised epithelium - the keratinocytes maintain their nuclei  prickle cell layer  basal layer  rete pegs  lamina propria (underlying connective tissue) 13