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21 Cards in this Set
- Front
- Back
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How is bone defined as a tissue?
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specialized CT that forms most of the adult skeleton and provides mechanical support through rigidity
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What are the three main contributions to the body skeleton?
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bones
cartilage fibrous ligaments |
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How is bone defined as an organ?
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component of the articulated skeleton composed of bone tissue
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Are dermal bones formed directly or indirectly?
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directly
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Are demal or endochondral bones formed directly?
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dermal
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Are endochondral bones formed directly or indirectly?
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indirectly
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Are dermal or endochondral bones formed indirectly?
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endochondral
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What are two ways that bones are remodeled?
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bone turnover
modification by functional changes |
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What is the term for a closed suture?
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synostosis
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When in life do sutures begin closing?
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mid-30s
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How many bones make up the adult skull?
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2: cranium and mandible
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What is unique about the fetal skull?
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flexible bones and fibrous sutures for passage through birth canal
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What is the function of the bones of the neurocranium?
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cradle and support the brain and house special sense organs
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What are the bones of the neurocranium?
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occipital, sphenoid, ethmoid, temporal,
superior conchae, middle conchae, frontal, parietal |
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What is the function of the bones of the viscerocranium?
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support the airway and foodway
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What are the bones of the viscerocranium?
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maxillae, mandible, palatine, inferior conchae,
lacrimal, nasal, zygomatic, vomer |
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What is chondrocranium defined as?
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bones formed through endochondral replacement of the cartilagenous models of the skull base and sensory capsules
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Which bones are considered chondrocranium?
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ehtmoid, sphenoid, occipital,
temporal (petrous part) |
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What is dermatocranium defined as?
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bones formed directly in CT beneath the dermis of the skin over the brain or gut entrance
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Which bones are considered dermatocranium?
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frontal, parietal, maxillae,
mandible, palatine, zygomatic |
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What is splanchnocranium defined as?
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cartilages that support the walls of the pharynx
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