Epiphyseal line

Definition

The epiphyseal line is a remnant of the epiphyseal plate (growth plate) visible in adult bones, indicating where bone growth occurred. It marks the boundary between the epiphysis and metaphysis in long bones after growth in length has ceased.

Related terms

Epiphyseal Plate:

A layer of hyaline cartilage found in growing bones that allows for longitudinal growth.

Metaphysis:

The wide portion of a long bone between the epiphysis and the narrow diaphysis that helps transfer loads from weight-bearing joints to the diaphysis.

Long Bones:

Bones that are longer than they are wide and primarily consist of a shaft with two ends; they primarily function to support weight and facilitate movement