ANATOMY + PHYSIOLOGY
9th Edition
ISBN: 9781264392728
Author: SALADIN
Publisher: MCG
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Textbook Question
Chapter 7, Problem 1TYC
Most osteocytes of an osteon are far removed from blood vessels, but still receive blood-borne nutrients. Explain how this is possible.
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Most osteocytes of an osteon are far removed from blood vessels, but still receive blood-borne nutrients. Explain how this is possible.
Disturbance of the balance in the activities of osteoblasts and osteoclasts in favor of osteoclasts can give rise to the condition known as osteoporosis, the brittle-bone syndrome of the elderly. Explain why or why not.
Osteocytes residing in lacunae of osteons of healthy compact bone are located quite a distance from the blood vessels in the central canals, yet they are well nourished. How can this be explained?
Chapter 7 Solutions
ANATOMY + PHYSIOLOGY
Ch. 7.1 - Name at least five tissues found in a boneCh. 7.1 - Prob. 2BYGOCh. 7.1 - Prob. 3BYGOCh. 7.1 - Prob. 4BYGOCh. 7.1 - The branch of medicine and biology that deals with...Ch. 7.1 - Prob. 2AYLOCh. 7.1 - Prob. 3AYLOCh. 7.1 - Prob. 4AYLOCh. 7.1 - Prob. 5AYLOCh. 7.1 - Other anatomical features of a long bone including...
Ch. 7.1 - Prob. 7AYLOCh. 7.2 - Suppose you had unlabeled electron micrographs of...Ch. 7.2 - Name three organic components of the bone matrix.Ch. 7.2 - What are the mineral crystals of bone called, and...Ch. 7.2 - Sketch a cross section of an osteon and label its...Ch. 7.2 - Prob. 9BYGOCh. 7.2 - Histology of Osseous Tissue 1. The four cell type...Ch. 7.2 - Organic and inorganic components of the bone...Ch. 7.2 - Osteon structure and the relationship of osteonic...Ch. 7.2 - The route by which nerves and blood vessels...Ch. 7.2 - Prob. 5AYLOCh. 7.2 - Prob. 6AYLOCh. 7.3 - Describe the stages of intramembranous...Ch. 7.3 - Describe how a cartilage model is transformed into...Ch. 7.3 - Prob. 12BYGOCh. 7.3 - Prob. 13BYGOCh. 7.3 - Stages of intramembranous ossification; some bones...Ch. 7.3 - Prob. 2AYLOCh. 7.3 - Prob. 3AYLOCh. 7.3 - How stresses on bones remodel item throughout...Ch. 7.4 - Prob. 14BYGOCh. 7.4 - Prob. 15BYGOCh. 7.4 - Prob. 16BYGOCh. 7.4 - Prob. 17BYGOCh. 7.4 - Prob. 1AYLOCh. 7.4 - Prob. 2AYLOCh. 7.4 - Prob. 3AYLOCh. 7.4 - The role of the skeleton as a calcium reservoir in...Ch. 7.4 - Prob. 5AYLOCh. 7.4 - Prob. 6AYLOCh. 7.4 - Prob. 7AYLOCh. 7.4 - Prob. 8AYLOCh. 7.4 - Prob. 9AYLOCh. 7.4 - Prob. 10AYLOCh. 7.5 - Prob. 18BYGOCh. 7.5 - Prob. 19BYGOCh. 7.5 - Prob. 20BYGOCh. 7.5 - Prob. 1AYLOCh. 7.5 - Causes of osteoporosis: its risk factor,...Ch. 7 - Which cells have a ruffled border and secrete...Ch. 7 - Prob. 2TYRCh. 7 - Prob. 3TYRCh. 7 - Osteoclasts are most closely related, by common...Ch. 7 - The walls between cartilage lacunae break down in...Ch. 7 - Which of these is not an effect of PTH? a. rise in...Ch. 7 - Prob. 7TYRCh. 7 - One long bone meets another at its a. diaphysis....Ch. 7 - Calcitriol is made from a. calcitonin. b....Ch. 7 - One sign of osteoporosis is a. osteosarcoma. b....Ch. 7 - Calcium phosphate crystallizes in bone as a...Ch. 7 - Prob. 12TYRCh. 7 - Prob. 13TYRCh. 7 - Prob. 14TYRCh. 7 - Prob. 15TYRCh. 7 - Prob. 16TYRCh. 7 - Prob. 17TYRCh. 7 - Prob. 18TYRCh. 7 - Prob. 19TYRCh. 7 - Prob. 20TYRCh. 7 - Prob. 1BYMVCh. 7 - Prob. 2BYMVCh. 7 - Prob. 3BYMVCh. 7 - Prob. 4BYMVCh. 7 - ortho-Ch. 7 - Prob. 6BYMVCh. 7 - Prob. 7BYMVCh. 7 - Prob. 8BYMVCh. 7 - spic-Ch. 7 - topo-Ch. 7 - Prob. 1WWTSCh. 7 - Prob. 2WWTSCh. 7 - Prob. 3WWTSCh. 7 - The growth zone of the lone bones of adolescents...Ch. 7 - Prob. 5WWTSCh. 7 - Prob. 6WWTSCh. 7 - Whats Wrong with These Statements? 7. The protein...Ch. 7 - Prob. 8WWTSCh. 7 - Prob. 9WWTSCh. 7 - Prob. 10WWTSCh. 7 - Most osteocytes of an osteon are far removed from...Ch. 7 - Prob. 2TYCCh. 7 - How does the regulation of blood calcium...Ch. 7 - Describe how the arrangement of trabeculae in...Ch. 7 - Identify two bone diseases you would expect to see...
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- The hollow center of an osteon (Haversian system) provides space for what vital part of compact bone tissue? a. Marrow b. collagen fibers c. a blood vessel d. osteocytesarrow_forwardIf bleached human bones found lying in the desert were carefully examined, would osteons be present? How about osteocytes and a marrow cavity?arrow_forwardThe partial displacement of a bone from its joint is known as_________________arrow_forward
- The opening in a bone through which blood vessels, nerves, and ligaments pass is a ____________. foramen foramina process symphysisarrow_forwardFigure 38.19 Which of the following statements about bone tissue is false? Compact bone tissue is made of cylindrical osteons that are aligned such that they travel the length of the bone. Haversian canals contain blood vessels only. Haversian canals contain blood vessels and nerve fibers. Spongy tissue is found on the inferior of the bone, and compact bone tissue is found on the exterior.arrow_forwardBone remodeling has all of the following functions except ____________ a. helps maintain homeostasis in blood level of calcium b. replaces old bone with fresh bone tissue c. exchanges collagen with elastin fibers for flexibility d. strengthens bones subjected to mechanical stressarrow_forward
- Define osteoblastarrow_forwardIs this statement is correct or incorrect? Explain with reason and related phyisological concepts An imbalance wherein osteoblast activity significantly exceeds osteoclast activity would lead to the development of osteoporosis over time.arrow_forwardCompare how the different osteocytes in both compact and spongy cells are affected in osteoporosis. Don’t forget to include how the organic material like calcium and phosphorus are affected in osteoporosis.arrow_forward
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