KIN 210 Study Guide - Midterm Guide: Hyaline Cartilage, Epiphyseal Plate, Bone Resorption

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Increase in size of cells without division (ex. Increased sa and volume in neurons and muscles when exercised) Dendrites and synaptic density increase after 2 years. Most proliferation of neurons is before birth. Hyperplasia & accretionary growth at surface of tissue. Hyperplasie & accretionayr growth throughtout thickness of tissue. Cartilage at birth replaced with bone (some remains, end of our joints cartilage remains form of lubrication) Compact & spongy bone develop directly from sheets of mesenchymal connective tissue. Flat bones of face, cranial bones & clavicles. At birth, the skull and clavicle not fully ossified & structures in skull not fully closed. End of puberal growth = last bones to ossify via. Bones at base of skull and long bones. Starts with formation of cartilage, b/w 6 to 8 weeks of fetal development some mesenchymal cells differentiate into chondroblasts. Secrete factors to form cartilaginous matrix (hyaluronic acid, chondroitin sulfate, collagen fibers and water)

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