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Skeletal System Note

QuestionAnswer
Describe epiphyses Expanded ends of the bones that form joints with adjacent bones
Describe articular cartilage Made of hyaline cartilage that covers the epiphyses
Describe diaphysis The shaft of the bone
Describe periosteum A tough layer of vascular dense connective tissue that covers the bone
Describe medullary cavity A hollow cavity lined with endosteum membrane, and is filled with yellow marrow and is located in the diqphysis bone shaft
What is the difference between spongy bone and compact bone Spongy bone is the inner part of the bone structure and is not as strong due to its holey structure that allows the bone to be more light weight. Compact bone is the outer part of the bone structure and is solid, making it stronger
In the microscopic structure of the bone, what does the central canal of the osteons contain Blood vessels and nerves
What is intramembranous bone, what bones does it form Intramembranous bone is formed sheet-like layers of connective tissue. This bone forms spongy bone
What is ossification Formation of bone
Describe the epiphyseal plate Is a band of hyaline cartilage that forms between the two ossification centers
Explain the factors of bone growth and repair Vitamin D, growth hormones, sex hormones, and physical exercise
Differentiate between red and yellow marrow Red marrow is where blood cells develop (red blood cells, white blood cells, and platelets), yellow marrow is where fat is stored
What are the functions of the bone To support, protect, and shape the different parts of the body
What is the function of osteoblasts and osteoclasts Osteoblasts resort and osteoclasts deposit bone throughout life, this process is known as bone remodeling
What happens in the bone when blood calcium is low Osteoblasts break down bone to release calcium
What happens in the bone when blood calcium is high Osteoblasts form bone tissue and store calcium
Osteoblasts form spongy bone in the diaphysis Step 1 how the endochondral bone grows and develops
Osteoblasts lay down compact bone around the primary ossification center Step 2 how the endochondral bone grows and develops
Second ossification centers appear in the epiphysis Step 3 how the endochondral bone grows and develops
The epiphyseal plate forms between the two ossification centers Step 4 how the endochondral bone grows and develops
The medullary cavity forms in the diaphysis, and the osteoclasts erode the inside of the bone Step 5 how the endochondral bone grows and develops
Created by: Kalico2019
 

 



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