This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Joints, Subject name: Anatomy
[{'content': 'Coracoid process of the scapula is: \nSelect and explain. \nA. Pressure epiphysis, B. Traction epiphysis, C. Atavistic epiphysis, D. Aberrant epiphysis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C Atavistic epiphysisRef: Clinical Anatomy, Kulkarni 2nd ed. P 73TYPES OF EPIPHYSIS* Pressure: Seen at the end of long bones subjected to pressure. E.g. Femur, head of humerus, condyles of tibia and femur.* Traction: Formed due to pull of muscles. E.g. Mastoid process, tibial tuberosity, tubercles, trochanters.* Atavistic: Functional in lower animals. Degenerated in humans e.g. Coracoid process of scapula, os trigonum of talus* Abberant: It is an extra epiphysis. E.g. Proximal end of 1st metacarpal bone.', 'role': 'assistant'}]