A mass of tissue growing uncontrollably is a cancerous tumor.
tumor
A tumor
Osteosarcoma is the medical term meaning connective tissue cancer of bone.
Necrobiosis lipoidica diabeticorum is the medical term meaning death of tissue caused by diabetes.
The meaning is keratosis.
Neuropathology.
Myelitis is the medical term meaning inflammation of the fibrous tissue surrounding a nerve. An example is poliomyelitis.
Benign prostatic hyperplasia (BPH) is the medical term meaning noncancerous growth of prostate tissue.
Hardened tissue may be fibrosed or indurated.
Contracture is the medical term meaning constriction of tissue.
The medical term for bleeding within the muscle tissue is intramuscular bleeding.
My book also has necrotic as an answer.
Hypertrophy