单词 | sinus venosus |
释义 | sinus venosus/viːˈnəʊsəs /noun (plural sinus venosi) Zoology The first chamber of the heart in fish, amphibians, and reptiles, emptying into the right atrium.Communication between the sinus venosus and the primitive atrium, the sinoatrial oriface, is centrally located....
OriginEarly 19th century: modern Latin, literally 'venous cavity'. |
随便看 |
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。