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Multiple Choice
Which of the following joints will eventually develop into a synostosis?
A
Gomphosis between tooth and alveolar socket
B
Syndesmosis between tibia and fibula
C
Suture between parietal and temporal bones in adults
D
Epiphyseal plate of a growing long bone
Verified step by step guidance
1
Understand the concept of synostosis: Synostosis refers to the fusion of two bones into a single bone, which occurs naturally in certain joints as part of development or aging.
Review the types of joints mentioned: Gomphosis (a fibrous joint between a tooth and its socket), syndesmosis (a fibrous joint between two bones, such as the tibia and fibula), suture (a fibrous joint between skull bones), and the epiphyseal plate (a cartilaginous joint in growing bones).
Recognize that the epiphyseal plate is a temporary cartilaginous joint: It is responsible for bone growth during development. Once growth is complete, the cartilage is replaced by bone, leading to the fusion of the epiphysis and diaphysis into a single structure.
Compare the other joints: Gomphosis, syndesmosis, and sutures do not typically develop into synostosis under normal conditions. Sutures may ossify in older adults, but this is not the same as the developmental process seen in the epiphyseal plate.
Conclude that the epiphyseal plate of a growing long bone is the correct answer: It is the joint that naturally develops into synostosis as part of the normal growth process.