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下颌骨
学习目标
完成本学习单元后，你将能够：
- 识别下颌骨的两个主要组成部分。
- 说出下颌骨的骨性特征。
浏览图谱
下颌骨是人类头部最大的骨骼，也是颅骨中唯一能活动的骨骼（不包含听小骨 ）。从解剖学定义来讲，下颌骨并非面颅的组成部分，但部分文献仍将其归为面颅结构。闭口时，下颌骨通过牙齿与上颌骨（面颅组成部分）相连；同时，下颌骨通过颞下颌关节与颞骨（神经颅组成部分）相连。凭借其可动性，下颌骨的主要功能是辅助咀嚼。
:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/271/Vn1iem0wNOKCzRO5L8kljA_mandible-parts_cn.jpg){kind=logo}
:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/3383/z5BeNnP5KRFNSMb0kykB5w_mandible-anterolateral-view_cn.jpg){kind=logo}
:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/3388/g8rNKbuvQF8xaYGzgQ8Q_mandible-posterior-view_cn.jpg){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/mandibula/od7QmBzfL7OLpmdcbQ8ymw_Mandible_01.png "下颌骨 (Mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/mandibula-2/6BJoakCePH6hpiuPRM237g_Mandible_02.png "下颌骨 (Mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/corpus-mandibula-2/1u1fQwwYYQC5Yvl0fYjepQ_Corpus_mandibulae_01.png "下颌骨体 (Body of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/mental-protuberance/QxHEiLVorwLAK4bGR18rHQ_Protuberantia_mentalis_02.png "颏隆凸 (Mental protuberance of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/mental-tubercle/422IUKPba0WsCtY0V6mw2g_Tuberculum_mentale_02.png "颏结节 (Mental tubercle of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/mental-foramen-2/VuDnhWyWZelMJ5qg8YDSQ_Foramen_mentale_02.png "颏孔 (Mental foramen of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/linea-obliqua-mandibulae/t90stPA3yBIBOGWkuvPOtw_Linea_obliqua_01.png "下颌骨斜线 (Oblique line of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/sublingual-fossa/lyaONIYhVfDds3nuL0WXGA_Fossa_sublingualis_02.png "舌下腺凹 (Sublingual fossa of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/mylohyoid-line/DVwwoHcgfTd2mVhkJ7M5A_Linea_mylohyoidea_02.png "下颌舌骨肌线 (Mylohyoid line of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/submandibular-fossa/JCH4xBVKYGcQoH0zO6Nnw_Fossa_submandibularis_02.png "下颌下腺凹 (Submandibular fossa of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/spinae-mentales/KRqWpL0xEmz2yLXX1W36qg_Spinae_mentales_01.png "颏棘 (Mental spines of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/fossa-digastrica/bWTjEeZHHaDP5v27W73g_Fossa_digastrica_01.png "下颌骨二腹肌窝 (Digastric fossa of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/pars-alveolaris-mandibulae/iPUqmavWks6cecmclFyrA_Pars_alveolaris_01.png "下颌骨牙槽部 (Alveolar part of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/interalveolar-septa/clR6WOZbWlTTauG4C71vWg_Septa_interalveolaria_02.png "下颌骨牙槽间隔 (Interalveolar septa of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/ramus-mandibula-2/EmSGTLuR1VafoTqzWr0KQ_Ramus_mandibulae_01.png "下颌支 (Ramus of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/processus-coronoideus-mandibulae/A0AuLofM7N4kfLVQFY58Vw_Processus_coronoideus_01.png "下颌骨冠突 (Coronoid process of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/incisura-mandibulae/mt7LptsOTBoIKr037UYjg_Incisura_mandibulae_02.png "下颌切迹 (Mandibular notch)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/processus-condylaris/zY7rL2YV934XvH28GALKw_Processus_condylaris_01.png "髁突 (Condylar process of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/caput-mandibulae/qZuLhOgVYl01EHD5BRioA_Caput_mandibulae_01.png "下颌头 (Head of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/collum-mandibulae/P5LUdTZte1Ftq5LuMDqIA_Collum_mandibulae_01.png "下颌颈 (Neck of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/fovea-pterygoidea/qRVdCV0xI9mfNpRqll5dg_Fossa_pterygoidea_01.png "翼肌窝 (Pterygoid fovea of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/angulus-mandibulae/oCpSluIFRJEC6Bq9SHmvlA_Angulus_mandibulae_01.png "下颌角 (Angle of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/tuberositas-masseterica/CVG9LShItit90ercRzEaZA_Tuberositas_masseterica_01.png "咬肌粗隆 (Masseteric tuberosity of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/foramen-mandibulae-2/d2DFbcWqOqSTAXfJrVg3Mg_Foramen_mandibulae_01.png "下牙槽孔 (Inferior alveolar foramen of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/lingula-mandibulae/Yut6qyahpkaWitIZyrcg_Lingula_mandibulae_01.png "下颌小舌 (Lingula of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/sulcus-mylohyoideus/9GLUKowcHy3ePny1apHaw_Sulcus_mylohyoideus_01.png "下颌骨下颌舌骨沟 (Mylohyoid groove of mandible)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/tuberositas-pterygoidea/85ccQSCqTrMqtyxBT1Zuw_Tuberositas_pterygoidea_01.png "翼肌粗隆 (Pterygoid tuberosity of mandible)；图像：Yousun Koh"){kind=logo}
下颌骨
Mandible
1/27
同义词：
无
进行测验
学习上述图谱后，快来完成测验巩固所学知识吧。
小结
| 主要部分 | 体部、支 |
| 关节连接 | 上颌骨（通过牙齿）、颞骨（通过颞下颌关节） |
| 骨性特征 |
体部：颏隆凸、颏结节、颏孔、下颌斜线、舌下窝、下颌舌骨线、下颌下窝、颏棘、二腹肌窝、牙槽部、牙槽间隔 支：冠突、下颌切迹、髁突、下颌头、下颌颈、翼肌凹、翼肌粗隆、咬肌粗隆、下颌角、下牙槽孔、下颌小舌、下颌舌骨沟 |
| 主要功能 | 咀嚼 |
继续学习
相关教材
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