A very rare variation of the latissimus dorsi muscle--a case with accessory insertion of the latissimus dorsi muscle into the first rib and into the pectoralis minor muscle.
D000368:Aged; D001415:Back; D006801:Humans; D007366:Intercostal Muscles / Q000033:anatomy & histology; D008297:Male; D009132:Muscles / Q000002:abnormalities* / Q000033:anatomy & histology; D010369:Pectoralis Muscles / Q000033:anatomy & histology*