Find the equation of the sphere with a diameter whose endpoints are 
and 
.
Definitions:
Epiphyseal Plate
A hyaline cartilage plate in the metaphysis at each end of a long bone, where growth in length occurs.
Hyaline Cartilage
A translucent, bluish-white type of cartilage present in the joints, respiratory tract, and embryonic skeleton, providing support and flexibility.
Proximal Epiphysis
The end part of a long bone closest to the body's trunk.
Perforating Canal
Canals that run perpendicular to the Haversian canals in bone, connecting the blood and nerve supply of the periosteum to that of the Haversian canal.
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