Flashcards in Bones and Skeletal Tissue Deck (14)
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1
What are the functions of bones?
Support
Protection
Movement
Mineral Storage
Hematopoiesis - blood cell formation
2
What are the two types of bones (gross anatomy)?
Compact - dense outer layer
Spongy - honeycomb of trabeculae
3
What are the two components of long bones?
Diaphysis and Epiphysis
4
What is a diaphysis?
tubular shaft that forms the axis of long bones
5
What is a diaphysis composed of?
Compact bone that surrounds the medullary cavity, which contains yellow bone marrow (fat)
6
What is a epiphysis?
Expanded ends of long bones
7
What is epiphyses composed of?
Exterior is compact bone; interior is spongy bone
8
The joint surface is covered by _____ cartilage in epiphyses.
articular (hyaline)
9
What are the two types of bone membranes?
Periosteum and Endosteum
10
What is the periosteum?
A double-layered protective membrane that is richly supplied with nerve fibers, blood, and lymphatic vessels.
11
What is the outer fibrous layer of the periosteum made of?
dense regular connective tissue
12
What is the inner osteogenic layer of the periosteum composed of?
Osteoblasts and Osteoclasts
13
The periosteum is secured to underlying bone by _______ fibers.
Sharpey's
14
