What is the medical term for inflammation of the fascia?

The medical term for inflammation of the fascia is fascitis. Fascia is a type of connective tissue that surrounds muscles, nerves, and blood vessels, playing a critical role in supporting and protecting these structures. When this tissue becomes inflamed, it can lead to pain and discomfort, which is referred to as fascitis.

The other terms listed refer to different conditions: fibrosis involves the thickening and scarring of connective tissue, myositis refers to inflammation of the muscle tissue, and tenosynovitis is the inflammation of the sheath that surrounds a tendon. Each of these terms indicates a different type of tissue and inflammatory process, making fascitis the correct choice for inflammation specifically affecting the fascia.