Sequestrum, a medical term used to refer to a small fragment of a necrotic bone that is separated from the surrounding healthy bone, has multiple synonyms. Some of these synonyms include bone spicule, bone fragment, devitalized bone, and necrotic bone. The term sequestrum is typically used to describe a complication of osteomyelitis, a bone infection that can occur due to various reasons such as trauma or surgery. It is important to diagnose and treat osteomyelitis early, as sequestra can cause chronic inflammation and pain, delay the healing process, and even lead to septicemia. Accurate communication in medical settings is essential to ensure effective diagnosis and treatment of patients, which is why synonyms for medical terms like sequestrum are useful.