Anatomy: Skeletal System
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What are the 5 functions of bone?
1.) Support 2.) Protection 3.) Leverage 4.) Storage 5.) Blood Cell Formation
What number hardest natural substance is bone?
The 2nd Hardest
What cells are embedded in the matrix?
Osteoblasts & Osteocytes
What is ossification?
The Hardening of the Matrix
Cancellous bone is…
Light & Spongy
Compact bone is…
Heavy & Dense
Compact bone has…
Haversian Systems Running Lengthwise
What is outside all bones?
Compact Bone
What are shafts of long bones?
Compact Bone
The outer membrane of a bone is called the…
Periosteum
What is the membrane that lines hollow interior surfaces?
The Endosteum
What are osteoblasts?
Cells That Form Bone
What is an osteocyte?
Osteoblasts Surrounded by Bone
What do osteoclasts do?
Remodel & Remove Bone
What is a Volkmann’s canal?
Channels That Contain Blood Vessels That Join at Right Angles to the Haversian System
What is nutrient formina?
Large Channels in Large (& Long) Bones
What does nutrient foramina do?
Carry Blood In & Out of Bone Marrow & Bone
Spicules of bone with many spaces is…
Bone Marrow
Spicules arranged to stand stress forces is…
Bone Marrow
What is endochondral?
A Cartilage Template Replaced by Bone
What is the primary growth center of a bone?
Diaphysis
What is the secondary growth center of a bone?
Epiphysis
What part of the bone is the diaphysis?
The Shaft
What part of the bone is the epiphysis?
The Ends