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The metaphysis (pl.: metaphyses) is the neck portion of a long bone between the epiphysis and the diaphysis. [1] It contains the growth plate , the part of the bone that grows during childhood, and as it grows it ossifies near the diaphysis and the epiphyses.
In a long bone it is a thin disc of hyaline cartilage that is positioned transversely between the epiphysis and metaphysis. In the long bones of humans, the epiphyseal plate disappears by twenty years of age. physis, "the growth part" metaphysis: The region of a long bone lying between the epiphysis and diaphysis.
The outer shell of the long bone is made of cortical bone also known as compact bone. [1] This is covered by a membrane of connective tissue called the periosteum.Beneath the cortical bone layer is a layer of spongy cancellous bone.
An ambitious plan to map all 37 trillion cells in the human body is transforming understanding of how our bodies work, scientists report. The received wisdom said we were built from around 200 ...
The epiphyseal plate, epiphysial plate, physis, or growth plate is a hyaline cartilage plate in the metaphysis at each end of a long bone.It is the part of a long bone where new bone growth takes place; that is, the whole bone is alive, with maintenance remodeling throughout its existing bone tissue, but the growth plate is the place where the long bone grows longer (adds length).
In adult humans, it marks the point of fusion between the epiphysis and the metaphysis. [3] [4] Function
The trunk of the body contains, from superior to inferior, the thoracic region encompassing the chest [1] the mammary region encompassing each breast; the sternal region encompassing the sternum; the abdominal region encompassing the stomach area; the umbilical region is located around the navel; the coxal region encompassing the lateral (side ...
These bones are located just beyond the wrist and serve as a link to the phalanges, or finger bones, at the end of the limbs. In the lower body, the femur is a prominent bone positioned between the hip and knee. As the longest bone in the human body, it plays a pivotal role in forming the upper part of the knee joint.