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Skeletal System 1
Term | Definition |
---|---|
SMAPSH | Support, Movement, Attachment, Protection, Storage, Hemopoeisis |
Organic material provides... | Flexibility |
Inorganic material provides... | Durability |
Osteocytes | Bone cells |
Fontanel | Soft spot on baby's head |
Diaphysis | Hollow, cylindrical shaft of long bone |
Epiphysis | End of the diaphysis that contains red marrow |
Medullary canal | Center of the shaft that contains yellow marrow |
Endosteum | Lining of the medullary canal |
Compact bone | Hard bone surrounding the medullary canal |
Spongy bone | Bone that remains when some of the hard bone dissolves |
Periosteum | Fibrous tissue covering the outside of the bone |
Long bone grows from ____ to _____. | Diaphysis to epiphysis |
Osteoblasts | Bone cells that deposit new bone |
Osteoclasts | Bone cells that secrete enzymes that split the bone minerals into calcium and phosphorous |
Osteocytes | Bone cells that help to maintain bone as a living tissue |
Types of bones | Long, flat, irregular, short |
Two types of bones in the skull | Cranial and facial bones |
# of cranial bones | 8 |
# of facial bones | 14 |
Cranium protects... | Brain, outer ear, and parts of the eye |
Hemopoeisis | Process of blood cell formation in the bones |
Haversian canals | Where blood vessels that nourish osteocytes travel |
Cubelike bones (wrist/ankle) are which type? | Short |
Sutures | Irregular bands of connective tissue that hold the bones in place during infancy |
Ethmoid | Bone that forms part of the nasal septum |
Axis | Second cervical vertebrae |
Odontoid process | Permits us to nod our heads (on axis) |
Sternum | Lower cartilaginous part of the breastbone |
Xiphoid process | Important landmark in CPR on sternum |
Epiphysial | Growth plate |
Medullary cavity contains.... | Yellow marrow |
Cheekbones | Zygomatic bone |