1The protrusion of the rock formation from the cliff face made it a popular spot for rock climbers.
2Is the protrusion on the X-ray a sign of a serious medical condition or just a minor anomaly?
3The architect designed the building with a deliberate protrusion on the north side to provide additional office space.
4Avoid any actions that could cause a protrusion of the spinal disc, as this can lead to chronic back pain.
5The protrusion of the tree roots from the ground indicated that the tree was much older than initially thought.