The Local Anatomy of Oral Maxillo-Facial and NeckР口腔颌面颈部局部解剖Р1РThe oral cavityРThe boundaries and superficial anatomy of oral cavityР第一节口腔局部解剖Р2Р一口腔境界及表面标志Р(一)口腔的境界?境界及分部?(二)口腔前庭的表面标志?定义?1.口腔前庭沟(唇颊龈沟) ?2.上、下唇系带?3.颊系带Р3Р4Р4.腮腺导管口?5.磨牙后区?由磨牙后三角和磨牙后垫组成。?6.翼下颌皱襞?7.舌系带Р5Р6РLipРThe boundaries of lip?Superficial anatomy of lip?Layers of lip?The blood vessels 、lymphatic vessels and nervesР7Р二唇Р(一)唇的境界?(二)表面标志?(三)唇的解剖层次?1.皮肤?2.浅筋膜比较疏松。?3.肌层主要为口轮匝肌。?4.粘膜下层有粘液腺和上、下唇动脉。?5.粘膜有粘液腺开口。Р8Р9Р10
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