epiphysary
/ɛˌpɪfɪˈsɛrɪ/ or /ɛˌpɪfɪˈzɛrɪ/Definitions
1. noun
a structure that connects the epiphysis and the metaphysis of a long bone, especially in young animals.
“The epiphysary growth plates play a crucial role in the development of the long bones in mammals.”