An infant born to 22-year-old female meets all developmental milestones. His height corresponds to the 60th percentile. Osteoblasts near the growth plates of his long bones convert to osteocytes and remain connected to each other by: A. Tight junctions B. Hemidesmosomes C. Intermediate junctions D. Gap junctions E. Desmosomes

An infant born to 22-year-old female meets all developmental milestones. His height corresponds to the 60th percentile. Osteoblasts near the growth plates of his long bones convert to osteocytes and remain connected to each other by: A. Tight junctions B. Hemidesmosomes C. Intermediate junctions D. Gap junctions E. Desmosomes

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter5: The Skeletal System

Section: Chapter Questions

Problem 2SQ: Bone tissue contains ______. a. living cells b. collagen fibers c. calcium and phosphorus d. all of...

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Bone canaliculi are microscopic canals between the lacunae of ossified bone. The radiating cytoplasımic processes of the junctions for communication extent into these canals and are joined together by gap A. osteogenic cell |C. osteocyte D. osteoclast E. chondrocyte
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Arrange the five functional layers of the epiphyseal plate in the correct order, from diaphysis side to epiphyseal side. 1. Zone where chondrocytes undergo apoptosis and the matrix become calcified. 2. Zone where older chondrocytes enlarge and signal the surrounding matrix to calcify. 3. Zone where osteoclasts digest the calcified cartilage and osteoblasts replace it with actual bone tissue 4. Zone where chondroblasts divide quickly and push the epiphysis away from the diaphysis 5. Zone of small, inactive cartilage cells
Which cell type deposits bone tissue?a. osteocyte b. osteoclast c. osteoblastd. None of these are correct.
Which of the following choices is NOT correct? A. The storage of calcium is an important function of the skeletal system B. The canal that runs through the core of each Haversian system contains blood vessels and nerves C. Osteoclast are large multinucleate cells that are derived from monocyte–macrophage lineage cells D. Osteogenesis imperfecta is a genetic disorder that causes increased bone fractures and collagen defects E. Osteogenic cells (stem cells) in endosteum, periosteum or central canals give rise to new osteoclast
All of the following types of bone cells originate from unspecialized bone stem cells derived from mesenchyme except: Osteocytes Osteogenic cells Osteoclast Osteoblast A plane that passes through the structure at an angle is called O frontal. coronal. oblique. O sagittal.
Which of the following statements about bone tissue is/are TRUE? Group of answer choices a. Spiraling collagen fibers gives bone its tremendous resistance to torsional forces. b. Concentric rings of bone matrix, called lamellae, compose an osteon. c. Bone marrow occurs within the spongy bone and in a central medullary cavity. d. The epiphyseal plate of long bones close during fetal development. e. Calcium phosphate salts crystallize to form the inorganic part of bone. f. Osteoblasts are immature, bone-forming cells. g. Bones are classified by shape: long, short, irregular, or flat. h. The trabeculae of compact bone are arranged in parallel units along the long axis.
In this type of ossification mesenchymal cells in the embryonic skeleton gather together and begin to differentiate into specialized cells that form a template of the future bone. Ossification of flat bones begins as mesenchymal cells form a template of the future bone. They then differentiate into osteoblasts at the ossification center. Osteoblasts secrete the extracellular matrix and deposit calcium, which hardens the matrix. The non-mineralized portion of the bone or osteoid continues to form around blood vessels, forming spongy bone. Connective tissue in the matrix differentiates into red bone marrow in the fetus. The spongy bone is remodeled into a thin layer of compact bone on the surface of the spongy bone. The process depicted in the description above and on this slide is (check all that apply):
In this type of ossification mesenchymal cells in the embryonic skeleton gather together and begin to differentiate into specialized cells that form a template of the future bone. Ossification of flat bones begins as mesenchymal cells form a template of the future bone. They then differentiate into osteoblasts at the ossification center. Osteoblasts secrete the extracellular matrix and deposit calcium, which hardens the matrix. The non-mineralized portion of the bone or osteoid continues to form around blood vessels, forming spongy bone. Connective tissue in the matrix differentiates into red bone marrow in the fetus. The spongy bone is remodeled into a thin layer of compact bone on the surface of the spongy bone. The process depicted in the description above and on this slide is (check all that apply): intermembranous ossification endomembrane ossification intramembranous ossification red bone marrow formation
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