What does S-1 stand for?

S-1 stands for "first sacral vertebrum"

How to abbreviate "first sacral vertebrum"?

"first sacral vertebrum" can be abbreviated as S-1

What is the meaning of S-1 abbreviation?

The meaning of S-1 abbreviation is "first sacral vertebrum"

What does S-1 mean?

S-1 as abbreviation means "first sacral vertebrum"