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Chondrocyte mitosis in the articular cartilage of femoral heads with various diseases

source : nih.gov

Chondrocyte mitosis in the articular cartilage of femoral heads with various diseases

Autoradiographic studies using thymidine-3H reveal the mitosis of chondrocytes in degenerated joints, i.e. joints having secondary osteoarthritis or aseptic necrosis of the femoral head. The findings obtained provide additional support for the recent investigations regarding chondrocyte mitosis in primary osteoarthritic cartilage. Histologic and histochemical examinations suggest that a loss of glycosaminoglycans in the matrix is evidence for conversion of chondrocyte activity to mitosis which occurs, however, within the limit of “the point of irreversibility”, analogous to the observations from the biochemical point of view. Biomechanical and nutritional factors are also discussed in relation to the results obtained from cartilages of the femoral heads in cases of femoral neck fracture and aseptic necrosis of the femoral head.

Chapter 6 Flashcards | Quizlet

Chapter 6 Flashcards | Quizlet – Cartilage has a flexible matrix can accommodate mitosis of chondrocytes? Ture. Growth of a cartilage in which the chodrocytes within the matrix become active and proliferate is known as? Chondrocytes divide and secrete new matrix from within the cartilage.to accommodate the weight of the pelvic girdle. Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes. T F. T. 83. What type of bone is the patella? Unspecialized cells from mesenchyme develop into chondrocytes, which divide and form cartilage.T or F, Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes: True: Examples of long bones: arm bone, fingers, Examples of short bones: ankles, wrists: Examples of irregular bones: Secrum, vertebrae: Examples of flat bones: ribs, front of skull: Example of sesamoid bones: patella (knee cap) What forms the largest portion

Print A&P chapter 6 flashcards | Easy Notecards – T/F Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes. True . Hypercalcemia can be caused by_____. Unspecialized cells from mesenchyme develop into chondrocytes, which divide and form cartilage. Chondrocytes in the lacunae divide and secrete matrix, allowing the cartilage to grow from within.Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes. TRUE. 39. The cartilage matrix begins to deteriorate. D) A medullary cavity forms. cartilage. D) Chondrocytes in the lacunae divide and secrete matrix, allowing the cartilage to grow fromCartilage has a flexible matrix that can accommodate mitosis of chondrocytes. Free. True False An ossification center forms in the fibrous connective tissue. C) The cartilage matrix begins to deteriorate. D) A medullary cavity forms. which divide and form cartilage. D) Chondrocytes in the lacunae divide and secrete matrix, allowing the

Print A&P chapter 6 flashcards | Easy Notecards

Free Anatomy Flashcards about A & P – Bones & tiss – Cartilage is built and maintained by chondrocytes that live in small cavities called lacunae within the extracellular matrix. cartilage has a flexible matrix which can accommodate mitosis Cartilage grows in two ways during normal bone growth in youth and during old age cartilage can become calcified due to deposits of calcium saltsDuring fetal development, a framework is laid down that determines where bones will form. This framework is a flexible, semi-solid matrix produced by chondroblasts and consists of hyaluronic acid, chondroitin sulfate, collagen fibers, and water. As the matrix surrounds and isolates chondroblasts, they are called chondrocytes.When chondrocytes in lacunae divide and form new matrix, it leads to an expansion of the cartilage tissue from within. Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes. back 31. True. front 32. Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes. back 50. True. front 51.

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