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5 functions of bones SSPPM Support; Protection; Movement; Production; Storage
What do bones store? tissue rich in calcium phosphate; stores Mg, Na, K, Carbonate
Yellow bone marrow stores Triglycerides; chemical energy reserves
5 bone classification FLISS Flat, long, irregular, short, sesamoid
2 types of bone tissue Compact and spongy; spongy protects bone marrow
How many types of bone cells? 3
Osteoblasts bone forming cells; secretes a matrix; once surrounded called osteocytes
Osteocytes mature bone cells that carry on cellular activity of the bone
Osteoclasts Cells from white blood cell; bone eating
Ossification or Osteogenesis process by which bones form
Bones form by the replacement of existing connective tissue is formed in one of two ways Intramembranous and Endochondrial
Intramembranous ossification develops from layers of connective tissue; simplest and direct; makes flat bones
Endochondral ossification develops first as hyaline cartilage and is replaced by bone tissue; all other bones formed by this
4 steps to healing a bone Hematoma; spongy form forms; Bony callous; excess bone material removed
Axial skeletal 80 bones; Head, neck and trunk
Appedicular skeletal 126 bones; limbs and attachments
How many bones in the skull? 8 cranial and 14 facial
3 bones of pelvis Ilium; Pubis; Ischium
3 joints? Immovable; slightly moveable; freely moveable
What are the cranial bones? Parietal; frontal; temporal; Occipital; Sphenoid; Ethmoid
What are the facial bones? Lacrimal; Nasal; Vomer; Zygomatic; Inferior Nasal Conchae; Palatine; Maxilla, Mandible
Only free floating bone? Hyoid bone
Synarthorsis Immovable joint
Flexion bending a joint so the angle between the parts come together
Extension straightening the joint
Dorsiflexion flexing ancle
Plantar flexion extending the foot
Eversion turning foot so the sole is outward
Inversion turning foot so the sole is inward
Created by: cborealis2