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Skeletal System 1

TermDefinition
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
Created by: 18apatillo