Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Describe the structure of compact bone.
= cells and matrix are arranged in an orderly pattern in compact bone (Figure 6-3).
pact bone forms, layers of matrix (lamellae) are laid down around a central blood ves
tube that surrounds the blood vessel is the central canal, and the circular layers of mat
alled concentric lamellae. Each central canal and the concentric lamellae that surrou
sually about five layers) make up a structure called an osteon, which may also be referr
the Haversian system.
CHayden-McNeil. LLC
8
11
10
1. Spongy bone
6. Osteocyte in lacuna
7. Central canal
2. Compact bone
3. Central canal containing
8. Perforating canal
vessels and nerves
9. Lamella (matrix)
4. Osteon
10. Nerve
5. Periosteum
11. Blood vessel
Figure 6-3. Compact bone.
When you look at a cross-section of compact bone, you will see many osteons packed closely
gether. Although each osteon appears to have a circular shape, be aware that in three
limensions each osteon has the shape of a cylinder. Notice that when circles (or cylinders) are
Transcribed Image Text:Describe the structure of compact bone. = cells and matrix are arranged in an orderly pattern in compact bone (Figure 6-3). pact bone forms, layers of matrix (lamellae) are laid down around a central blood ves tube that surrounds the blood vessel is the central canal, and the circular layers of mat alled concentric lamellae. Each central canal and the concentric lamellae that surrou sually about five layers) make up a structure called an osteon, which may also be referr the Haversian system. CHayden-McNeil. LLC 8 11 10 1. Spongy bone 6. Osteocyte in lacuna 7. Central canal 2. Compact bone 3. Central canal containing 8. Perforating canal vessels and nerves 9. Lamella (matrix) 4. Osteon 10. Nerve 5. Periosteum 11. Blood vessel Figure 6-3. Compact bone. When you look at a cross-section of compact bone, you will see many osteons packed closely gether. Although each osteon appears to have a circular shape, be aware that in three limensions each osteon has the shape of a cylinder. Notice that when circles (or cylinders) are
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