Farthest from the shaft.
The dividing cartilage cells are located in the zone of proliferation within the epiphyseal plate. This zone is where chondrocytes actively divide and contribute to bone growth.
Farthest from the shaft.
epiphyseal plate
Chondrocytes divide rapidly and form columns of stacked cells at the epiphyseal cartilage of short and long bones. During the growth towards the ends of bones, the chondrocytes that were originally dividing in closest proximity to the center of the bone (still within the epiphyseal cartilage), die and become resorbed matrix. This matrix soon becomes calcified. Because the proliferation and destruction of chondrocytes occur at the same rate, the epiphyseal plate does not change thickness. It does, however, grow away from the middle of the bone.
Epiphyseal plates are the places in the bones where growth occurs. Bone cells and tissues form and grow here.
The zone characterized by older cartilage cells that are enlarging at the epiphyseal plate is the hypertrophic zone. In this zone, chondrocytes cease dividing and start to enlarge, contributing to longitudinal bone growth.
in the cytoplasm
Inside the nucleus. In dividing cells they migrate to the poles.
Epiphysis
Bone growth in long bones occurs at the growth plates, also known as epiphyseal plates. These are cartilage plates located at the ends of long bones where new bone is formed as cartilage cells proliferate and get replaced by bone tissue. This process allows bones to lengthen during growth.
The layer you are referring to is the epiphyseal plate, also known as the growth plate. It is found at the ends of long bones in children and adolescents, allowing the bone to lengthen as the cartilage cells multiply and are replaced by new bone tissue. Once growth is complete, the epiphyseal plate ossifies and becomes the epiphyseal line.
Chloroplasts are located within plant and algal cells, specifically in the cytoplasm. They are found in the mesophyll cells of a plant's leaves and can also be present in other green parts of the plant, such as stems.