Surgery involves excising the tissue or removing parts of the bone compressing the nerve. In 1873, he performed the first laryngectomy, completely excising a cancerous larynx. Chronically infected cartilage is cured by reelevating the flap and excising the infected parts. Excising the foreskin removes a main entry point for the HIV virus. Mucotomy is a surgical procedure of excising the mucous membrane from an organ. The introns are capable of excising themselves by the process of two nucleophilic transesterification reactions. Excising the eyestalk in young crayfish produces glucagon-induced hyperglycemia. Curettage is also used when excising a chalazion of the eyelid. This is different from a traditional hemorrhoidectomy, which focused on excising the hemorrhoidal bundle. BER is the major repair pathway responsible for excising and replacing damaged bases. Several women excising girls have been handed prison sentences. He compressed the material, excising more than 100 bars of music in the process. After a brief return to Florence, by the club excising the counter-option. In 1989, DeLillo revised the text, excising several pages from the original.