Endochondral ossification is responsible for the initial bone development from cartilage in utero and infants and the longitudinal growth of long bones in the epiphyseal plate. The plate's chondrocytes are under constant division by mitosis. These daughter cells stack facing the epiphysis while the older cells are pushed towards the diaphysis. As the older chondrocytes degenerate, osteoblasts ossif… WebArea of cartilage on "diaphysis side" of epiphyseal plate that is "rapidly dividing". Proliferation Zone. New cells formed move upward, pushing epiphysis away from diaphysis causing lengthening. Proliferation Zone. Cartilage cells undergo mitosis. Hypertrophic Zone. Area with older chondrocytes closer to diaphysis.
Chapter 6 Part 2 Flashcards Quizlet
WebThe epiphyseal plate is the area of growth in a long bone. It is a layer of hyaline cartilage where ossification occurs in immature bones. On the epiphyseal side of the epiphyseal plate, cartilage is formed. On the diaphyseal side, cartilage is ossified, and the diaphysis grows in length. Bones continue to grow in length until early adulthood. WebC - the diaphysis D - the medullary cavity A - the epiphyseal plate The epiphyseal plate is a weak point because of the lack of calcification. During infancy and childhood, the most important stimulus of epiphyseal plate activity is A - estrogen B - thyroid hormones C - testosterone D - growth hormone ... how many cards are you dealt in blackjack
Epiphysis - Explanation, Types, Bones, Similarities and …
WebThe metaphysis is where the diaphysis and epiphysis meet and includes the epiphyseal plate, better known as the growth plate. This plate is an area of hyaline cartilage where bone growth occurs until early adulthood when it closes and becomes osseous or bone tissue. At this point it becomes known as the epiphyseal line rather than the ... WebThe presence of an epiphyseal plate indicates that: A. the bone is increasing in diameter B. the bond is lengthening C. the bone is broken D. the bone is dead E. the bone is no longer lengthening B. the bone is lengthening Bones A. are built primarily of elastin and collagen B. perform only on function C. are multifunctional WebA. Diaphysis B. Epiphysis C. Metaphysis D. Periosteum B. Epiphysis A person typically has 206 bones. Which classification of bone varies in number from person to person? A. Irregular bone B. Long bone C. Sesamoid bone D. Short bone C. Sesamoid bone high school baseball playoff 2022