Shutter

Shutters are a type of mid-room barrier. They block progress (usually directly in front of a door or hall) until an upgrade or path around them is found.

Super Metroid
"There are several metal poles in the passages of Zebes. The color of the lights above these poles should give you an idea on how to make them move out of the way."

Metroid Fusion
SHUTTERS "Shutters can be opened by shooting the lamps with beams."