Endochondral21 (EN-doe-CON-drul) ossification produces most other bones, including the vertebrae, pelvic bones, and bones of the limbs. It is a method in which mesenchyme first transforms into a hyaline cartilage model that resembles the shape of the bone to come, and then the cartilage is broken down, reorganized, and calcified to form a bone (fig. 7.8).
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.