![[肺动脉]半月瓣弧缘 - 心脏 - 瓣 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/coeur-illustrations/images/v1/4c7f129e2f8c254061bb1192e08c410eb690664ac67e41c1e72c201bf8eb0d4f?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NzA2LDE4OA&t=W-iCuuWKqOiEiV3ljYrmnIjnk6PlvKfnvJg&tf=Tm90byBTYW5zIFND&tx=706&ty=188&w=350&wk=1&s=25f0954f97ad1031d031698445b9e43c)
[肺动脉]半月瓣弧缘
Lunulae valvularum semilunarium valvae trunci pulmonalis
定义
肺动脉瓣每个半月瓣的游离缘和附着缘均由腱性纤维加强，游离缘中点处可见一增厚的小结节（corpus Arantii，即阿兰提氏小体）。腱性纤维从此小结节呈放射状延伸，贯穿瓣膜至其附着缘，但在小结节两侧各有一狭窄的新月形区域缺乏此类纤维，该区域称为半月瓣小弯（lunulæ），紧邻游离缘分布于小结节两旁。
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
![[肺动脉]半月瓣弧缘 - 心脏 - 瓣 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/coeur-illustrations/images/v1/4c7f129e2f8c254061bb1192e08c410eb690664ac67e41c1e72c201bf8eb0d4f?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NzA2LDE4OA&t=W-iCuuWKqOiEiV3ljYrmnIjnk6PlvKfnvJg&tf=Tm90byBTYW5zIFND&tx=706&ty=188&w=200&wk=1&s=8e2b8857056ae6ed2efabf42ed6ad199 "[肺动脉]半月瓣弧缘 - 心脏 - 瓣 - e-Anatomy")
![[肺动脉]半月瓣弧缘 - 心脏 - 瓣 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/coeur-illustrations/images/v1/2adfaa7d04248cad9de39d9e82964a11ffa3d9a07390c59b1a706573ee77a1a9?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=Nzg2LDE1Mg&t=W-iCuuWKqOiEiV3ljYrmnIjnk6PlvKfnvJg&tf=Tm90byBTYW5zIFND&tx=786&ty=152&w=200&wk=1&s=e2bd71d3255045c2dda967e1657b7089 "[肺动脉]半月瓣弧缘 - 心脏 - 瓣 - e-Anatomy")
![[肺动脉]半月瓣弧缘 - 心脏 - 瓣 - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/coeur-illustrations/images/v1/c30c1d4842aa68612bc3a388591e44d1942f69b83e2f9de36b2c9c215a73aae3?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=OTA0LDcwNA&t=W-iCuuWKqOiEiV3ljYrmnIjnk6PlvKfnvJg&tf=Tm90byBTYW5zIFND&tx=904&ty=704&w=200&wk=1&s=5aaba8aa78d32bce69f0f43b02cdec65 "[肺动脉]半月瓣弧缘 - 心脏 - 瓣 - e-Anatomy")
