Axial and Appendicular

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Author:
annzors
ID:
87287
Filename:
Axial and Appendicular
Updated:
2011-05-23 01:14:24
Tags:
Vertebrate Biology
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  1. 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
  2. Bone (2)
    Location? (N/A)
    • Replacement:
    • - axial = sclerotome epimere (ribs)
    • - appendicular = somatic hypomere (limbs)
    • Dermal: mesenchyme
  3. Term for condition with centrum and intercentrum?
    Term for just centrum
    • Dispondylous eg Amia
    • Monospondylous eg all Teleost
  4. Centra type: ampicoelous
    Is present in what group?
    fish salamander
  5. Centra type: opsithocoelous
    Is present in what group?
    lizard
  6. Centra type: procoelous
    Is present in what group?
    • alligtor
    • frog
    • snake
  7. Centra type: acoelous
    Is present in what group?
    mammals
  8. Centra type: heterocoelous
    Is present in what group?
    birds
  9. Amphibias have how many vertbral regions?
    What are they?
    • cervical
    • trunk
    • sacral
    • caudal ; sometimes
  10. Fishes have how many vertbral regions?
    What are they?
    Key features?
    • trunk
    • caudal
    • no centrum
    • dispondylous condition in caudal area
  11. 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
  12. Birds have how many vertbral regions?What are they?
    many fused vertebrae

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