Cartilage: Connective tissue that forms the structure of the nose. Columella: The narrow strip of tissue that separates the nostrils. Deviated septum: Cartilage that separates the nostrils is misaligned which may cause partial nasal airway obstruction. General anesthesia: Drugs and/or gases used during an operation to relieve pain and alter consciousness. Hematoma: Blood pooling beneath the skin. Intravenous sedation: Sedatives administered by injection into a vein to help you relax. Local anesthesia: A drug injected directly to the site of an incision during an operation to relieve pain. Rhinoplasty: Surgery to reshape the nose.