In the red glare Sam, cowering behind the stair-door, caught a glimpse of his evil face as it passed: it was scored as if by rending claws and smeared with blood; slaver dripped from its protruding fangs; the mouth snarled like an animal.
There are no more uses of "protrude" in the book.
Show samples from other sources
metal spikes protrude from the dog’s collar
operate to repair the muscle wall through which the hernia protrudes