A&P1 Chapter 7 Lecture 1 Flashcards
What does bone act as storage for
Calcium and phosphate
What type of tissue exists in the marrow cavities
Adipose
What kind of marrow gives rise to blood cells
Red bone marrow
What process hardens the matrix of osseous tissue
Mineralization (calcification)
What is deposited during mineralization
Calcium phosphate and other minerals
What are short bones shaped like
Cubes
What is compact bone
Outer shell of dense osseous tissue, densely packed osteons
What does the compac bone enclose
medullary/marrow cavity
What is spongy bone
Loosely organized osseous issue at then ends of bone
What is another name for the shaft
Diaphysis
What is in the deep layers of the diaphyses
Medullary cavity
What does the medullary cavity in the diaphyses contain in adults
Yellow marrow (fat)
What is another name for the ends of bones
Epiphyses
What is in the interior of the epiphyses
Spongy bone
What is the epiphyseal line
Remnant of the growth plate, denser region of spongy bone between epiphysis and diaphyss
What is the outer fibrous layer of bones
Periosteum
What is there an abundance of in the periosteum
Collagen fibers
What is directly under the periosteum
Cellular layer of bone forming cells
What are collagen fibers that go into the matrix called
Perforating fibers
What types of cells are in the inner cell layer
Osteoblasts, osteoclasts, osteogenic cells
Through what do nutrients, nerve fibers, and lymphatic vessels enter the bone
nutrient foramina
How is the periosteum attached to the outer aspect of bones
Sharpey’s fibers(collagen extensions)
What part of long bones does not have a periosteum
Over the articular cartilage
What is the membrane on the inside of bones called
Endosteum
