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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....
  • All the blood from the cardinal veins now drains into the right horn of the sinus venosus.
  • Sino-septal defects refer to those that involve the area of the atrial septum derived from the sinus venosus.

Origin

Early 19th century: modern Latin, literally 'venous cavity'.

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更新时间:2024/11/11 15:36:26