Which term best describes the growth plates?

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Multiple Choice

Which term best describes the growth plates?

Growth plates are the sites of bone lengthening and are called the physis. They’re cartilage-rich zones located at the ends of long bones, between the epiphysis (the bone end) and the metaphysis (the region just before the shaft). The physis allows continued growth as cartilage is produced and progressively ossified to add length to the bone. In young animals the physis remains open, permitting growth; in adults, it closes when growth ends. The other terms refer to different bone regions: the epiphysis is the end portion of the bone, the metaphysis is the area just inward from the growth plate, and the periosteum is the outer membrane covering the bone.

Growth plates are the sites of bone lengthening and are called the physis. They’re cartilage-rich zones located at the ends of long bones, between the epiphysis (the bone end) and the metaphysis (the region just before the shaft). The physis allows continued growth as cartilage is produced and progressively ossified to add length to the bone. In young animals the physis remains open, permitting growth; in adults, it closes when growth ends. The other terms refer to different bone regions: the epiphysis is the end portion of the bone, the metaphysis is the area just inward from the growth plate, and the periosteum is the outer membrane covering the bone.

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