The bacteria that cause necrotizing fasciitis can enter the body following surgery or injury. They can also enter the body through: 1  minor cuts. 2  insect bites. 3  abrasions.
Gradual definition, taking place, changing, moving, etc., by small degrees or little by little: gradual improvement in health. See more.
WordReference Random House Learner's Dictionary of American English Â© 2017. tenâ¢denâ¢cy /ËtÉndÉnsi/USA pronunciation n.[countable], pl. -cies. a natural disposition to move or act in some direction or toward some result:The car has a tendency to slide to the left.