Growth plate
Growth Plate
The Growth Plate (pronunciation: /ˈɡroʊθ pleɪt/), also known as the Epiphyseal Plate or Physis, is a hyaline cartilage plate in the metaphysis at each end of a long bone. It is the part of a child's bone that provides for and allows for growth in length.
Etymology
The term "Growth Plate" is derived from its function in the body. The word "growth" comes from the Old English grōwan (to grow) and the word "plate" from the Old French plate (flat piece or slab). The term "Epiphyseal Plate" is derived from the Greek epi (upon) and physis (nature, growth).
Function
The Growth Plate is responsible for the longitudinal growth of bones in children and adolescents. It consists of dividing cells, allowing the bone to grow in length. Once a person reaches adulthood, the growth plates close and are replaced by solid bone.
Related Terms
- Long Bone: The type of bone in which growth plates are found.
- Metaphysis: The part of the bone adjacent to the growth plate.
- Hyaline Cartilage: The type of cartilage that makes up the growth plate.
- Epiphysis: The end part of a long bone, initially growing separately from the shaft.
Disorders
Disorders of the growth plate can lead to abnormal bone growth and deformities. These include:
- Growth Plate Fractures: These are common injuries in children and can interfere with normal bone growth.
- Slipped Capital Femoral Epiphysis: A condition where the growth plate at the hip joint slips out of place.
- Rickets: A condition caused by vitamin D deficiency, which can cause the growth plates to remain open longer than normal.
External links
- Medical encyclopedia article on Growth plate
- Wikipedia's article - Growth plate
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