superior vena cava

noun
Updated on: 14 Nov 2017

Definition of superior vena cava

:the branch of the vena cava of a vertebrate that brings blood back from the head and anterior part of the body to the heart

Recent Examples of superior vena cava from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'superior vena cava.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of superior vena cava

1875


Medical Dictionary

superior vena cava

noun

medical Definition of superior vena cava

:a vein that is the second largest vein in the human body, is formed by the union of the two brachiocephalic veins at the level of the space between the first two ribs, and returns blood to the right atrium of the heart from the upper half of the body

Illustration of superior vena cava


Learn More about superior vena cava


Seen and Heard

What made you want to look up superior vena cava? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

ditzy

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!