That would be a tower.
Yes, it's true. In medieval castles spiral staircases ascended clockwise.
the fibonacci spiral
Square keep castles
Projection towers on castles are called a Buttress.
yes one of its castles is called The Neuschwanstein Castle.
Single spiral shaped bacteria form in clusters, called a mass. a spiral shaped bacteria is called a spirochetes
A spiral is a geometric shape and as such does not have a 'home'.
The spiral shape of the DNA molecule is called a double helix.
Spin A spiral dive is just a spiral dive and should not be confused with a spin. If a pilot can not see the horizon, because of clouds for instance, he may not appreciate that he is going into a spiral dive and this can lead into a 'graveyard spiral'
There isn't a location called Spiral Tower.
No
It is called a 'spin'