arachnoid villa

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Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

Flags of the countries of the world (flagpoles).

How Many Countries Are There in the World?

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet

10 Failed Doomsday Predictions

Statue of Nostradamus

Nostradamus and His Prophecies

Submerged sperm whale off east Sri Lanka coast, mammal

How Did the Sperm Whale Get Its Name?

arachnoid villa

anatomy

Also known as: arachnoid granulations

Learn about this topic in these articles:

structure of meninges

In meninges
…processes of the arachnoid, called arachnoid villi or arachnoid granulations, are involved in the passage of cerebrospinal fluid from the subarachnoid space to the dural sinuses. Spinal anesthetics are often introduced into the subarachnoid space.
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