This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
[{'content': 'True about Latissimus dorsi \nSelect and explain. \nA. Nerve supply from long thoracic nerve, B. Inseed into bicipital groove of humerus, C. Use to fill up back defects, D. Blood supply from lateral thoracic aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The tendon is twisted upside down and is inseed into floor of the inteubercular sulcus Latissimus dorsi is supplied by the thoracodorsal (long scapular) nerve. The latissimus dorsi is a potential source of muscle for breast reconstruction surgery after mastectomy The dominant blood supply arises from the thoracodorsal aery, which is the terminal branch of the subscapular aery. It also has a secondary blood supply, which arises from segmental perforating branches off of the intercostal and lumbar aeries . Ref - BDC 6th edition Vol 1 ; pg 62,64', 'role': 'assistant'}]