[肺动脉]半月瓣小结
Noduli valvularum semilunarium valvae trunci pulmonalis
- 命名学: Arantius
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固,游离缘中部可见一增厚的小结(corpus Arantii)。自此小结向外,腱性纤维呈放射状延伸穿过瓣膜至其附着缘,但在小结两侧各有一狭窄的新月形区域——即半月瓣小弯(lunulæ)——紧邻游离缘处缺如。
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/).