How to make Endochondral Ossification in the Long Bone
Storyboard Text
- Hey Mary, Today were going to learn about endochondral ossification.
- Okay Mark, Let's Go!!!
- Sounds like fun! After our first lap around the track and then you can tell me what it's all about!
- That first lap was tough Mary but we got through it. So our first topic is about Endochondrial ossification and how it forms in a long bone. Are you ready?
- Tell me all about it!
- Well, Mary, there are five stages of how the endochondral ossification happens in the long bone structure. First, neckband shapes around the "diaphysis of the hyaline cartilage representation". The center of the neckband shape is the "primary ossification center". Second, Cartilage of the bone calcifies towards the center of the "diaphysis" and then makes "cavities".
- That is so cool Mark!! What else happens?
- Third, the "periosteal bud" occupies the inside cavities and spongy bone formation takes place. The fourth stage is where the diaphysis lengthens and a medullary cavity develops. The "secondary ossification shows in the epiphyses.
- That's so fascinating!! What materializes in the 5th and final stage of the process?
- In the 5th and final stage of the endochondral ossification process of a long bone: the epiphyses hardens and the ossification procedure is finished. The hyaline cartilage structure stays in the "epiphyseal plates" and "articular cartilages".
- Wow Mark, I learned so much today about the endochondral ossification process in the long bone! I'm ready for another lap around the track!
- Let's Do this!! The END!! To be continued...
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