Skip to main content
Pearson+ LogoPearson+ Logo

Gross Anatomy of Bone: Periosteum and Endosteum quiz Flashcards

Gross Anatomy of Bone: Periosteum and Endosteum quiz
Control buttons has been changed to "navigation" mode.
1/10
  • What is the periosteum and what are its main functions?
    The periosteum is a dense irregular connective tissue that covers the outer surface of bones, providing blood supply, nerve innervation, and attachment points for tendons and ligaments.
  • What are perforating fibers and what role do they play in bone structure?
    Perforating fibers are collagen fibers that anchor the periosteum to the bone matrix, ensuring a tight connection between the periosteum and the bone.
  • What is the endosteum and where is it located?
    The endosteum is a thin membrane of osteoprogenitor cells lining the inner surfaces of bones, such as the medullary cavity and spongy bone.
  • What are the two layers of the periosteum?
    The periosteum consists of a fibrous layer, which is dense irregular connective tissue, and an osteogenic layer, which contains osteoprogenitor cells.
  • How does the periosteum contribute to bone repair and remodeling?
    The osteogenic layer of the periosteum contains osteoprogenitor cells, which are essential for bone repair and remodeling.
  • What is the primary composition of the fibrous layer of the periosteum?
    The fibrous layer of the periosteum is primarily composed of dense irregular connective tissue with collagen fibers.
  • How do tendons and ligaments attach to bones?
    Tendons and ligaments attach to bones by weaving their collagen fibers into the periosteum and the bone itself.
  • What is the significance of the periosteum being vascular and innervated?
    The vascular and innervated nature of the periosteum means it can bleed and cause pain if damaged, and it provides essential nutrients and signals to the bone.
  • What does the term 'periosteum' literally mean?
    The term 'periosteum' literally means 'around the bone,' indicating its role as a covering for the outer surface of bones.
  • What is the main difference between the periosteum and the endosteum?
    The periosteum is a tough, collagen-rich outer layer, while the endosteum is a thin, inner layer composed mainly of osteoprogenitor cells.