This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Joint between epiphysis and diaphysis of a long bone is a type of: 
Select and explain. 
A. Plane Synovial joint, B. Fibrous joint, C. Symphysis, D. Synchondrosis
D: Synchondrosis
Answer: D: Synchondrosis 
Explanation: Epiphysio-diaphyseal joint is a primary cartilaginous joint – synchondrosis.
It is found in the growing bone, where the growth plate (hyaline cartilage) connects the epiphysis with the diaphysis, creating a hyaline cartilaginous joint.
At this site the fate of synchondrosis is synostosis (bony fusion) after the growth plate gets removed and replaced by the bone.