Chapter 6- Skeletal system Flashcards
Hyaline Cartilage
In ribs, joints, nose, and larynx (provides support and flexibility)
Elastic Cartilage
External ear and epiglottis (contains elastic fibers)
Fibrocartilage
Menisic of knee and vertebral discs (thick collagen fibers)
The seven functions of bones
Supports, Protection, Movement, Mineral and Growth factor, Blood cell formation, Fat storage, Hormone production
How many bones in skeleton
206 named bones
2 groups of skeleton
Axial (middle) and Appendicular (arms and legs)
4 Category of Bones
Long bones, Short bones, Irregular bones, Flat bones
Whats the mendullary cavity
Middle part of long bone
Compact Bone
Sense outer layer that appears smooth and solid
Spongy bone
made up of small needle like pieces of bone called Trabecule
What do Long bones contain
Diaphysis, epiphyses (growth plate) and membranes
Types of Membranes
Periosteum (anchors for tendons and ligaments)
Endosteum (inside, connective tissue covering bone surface)
Osteoblasts, Osteocytes and Osteoclasts are all
cells
Bone forms by replacing
Hylanine Cartilage
osteogenesis
beginning of bones