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3 types of cartilage, located where?
- hyaline: ends of bones, rib tips, trachael rings, skull
- fibrous: area w/ compressive tensile stress, knee disk
- elastic: ear, epiglottis, nose
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Bone (2)
Location? (N/A)
- Replacement:
- - axial = sclerotome epimere (ribs)
- - appendicular = somatic hypomere (limbs)
- Dermal: mesenchyme
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Term for condition with centrum and intercentrum?
Term for just centrum
- Dispondylous eg AmiaMonospondylous eg all Teleost
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Centra type: ampicoelous
Is present in what group?
fish salamander
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Centra type: opsithocoelous
Is present in what group?
lizard
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Centra type: procoelous
Is present in what group?
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Centra type: acoelous
Is present in what group?
mammals
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Centra type: heterocoelous
Is present in what group?
birds
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Amphibias have how many vertbral regions?
What are they?
- cervical
- trunk
- sacral
- caudal ; sometimes
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Fishes have how many vertbral regions?
What are they?
Key features?
- trunk
- caudal
- no centrum
- dispondylous condition in caudal area
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Reptiles have how many vertbral regions?What are they?
- cervical
- thoracic + lumbar - both have ribs for snakes
- sacral
- caudal
- odontoid process = atlas + axis fit togeher from axis projecting process
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Birds have how many vertbral regions?What are they?
many fused vertebrae
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