precava
معنی فارسی
بزرگ سياهرگ زبرين
معنی کامل و مثالها
/prē kā´vǝ/n., pl.
● (مهرهداران چهارپا) بزرگ سیاهرگ زبرین
ریشه و کاربرد
ریشه
From the Latin 'pre-', meaning 'before', and 'cava', meaning 'hollow or cavity'.
مثال
- The precava is a large-diameter vein that carries deoxygenated blood from the upper half of the body to the heart's right atrium.
- The precava is also known as the superior vena cava.
- The precava is one of the two main venae cavae, the other being the postcava.
تعریف انگلیسی
noun
- receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins