This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': 'Content(s) of bicipital groove is/are \nSelect and explain. \nA. Synol membrane of shoulder jt, B. Ascending branch of anterior circumflex aery, C. Ascending branch of posterior circumflex aery, D. Radial aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: BICIPITAL GROOVE:-Veical groove between greater and lesser trochanter.Contents:-1. Long head of biceps.2. Ascending branch of anterior circumflex humeral aery.Muscles attachments:/1. Pectoralis major- outer lip2. Teres major- inner lip3. Latissimus dorsi- floor of groove. {Reference: Vishram Singh, pg no.22}', 'role': 'assistant'}]