skeletni sistem kičmenjaka
TRANSCRIPT
Skeletal System
Damnjanović Ivana
ExoskeletonEndoskeleton
• Exoskeleton– Rigid, external covering with muscles attached at
inner surface
– Arthropod chitin exoskeleton
• Thin and flexible at joints
• Secreted by living cells
• Must be molted periodically, leaving the animal unprotected
– Mollusc calcium carbonate exoskeleton
• Enlarges by adding to outer edge
LE 30-2c
Mantle
Shell (exoskeleton)
• Endoskeleton
– Hard or leathery supporting elements situated among the soft tissues
– Vertebrate skeleton consists of cartilage or combination of cartilage and bone
Skin SkeletonInner Skeleton
Skin Skeleton
Teeth
Gleđ
Inner Skeleton
Skeletal System-vertebrata
FunctionProvides frame and support for all systems
and organs. Cartilage
Flexible tissues that is not as hard as bone
Hrskavica
Skeletal System
BoneAttach musclesMeans of movementProtect internal organsStorage of minerals
Vratni region
Grudni regionSlabinski regionKrstačni
region
Repniregion
Vratni pršljeni
Ramenskipojas
Grudni pršljeni
Slabinski pršljeniKrstačniregion
Rep
Karličnipojas
Rebra
Grudna kost
Vertebral Column
Vratni pršljeni
Grudni pršljeni
Slabinski pršljeni
Krstačni pršljeni
Repni pršljeni
Trbušni region Trupni region
Grudni koš -rebra, -leđni deo kičmenice i -grudna kost
Ramenski pojasKarlični pojas
Ramenski pojas
• Karlični pojas (3 parne kosti-srasle u karlicu)
• Noge ( natkolenice, potkolenice i stopala)
• Zglob kuka• Koleno
PreponjačaSednjača
Bedrenjača
Golenjača
Butna kost
Listnjača
Skeletal System
JointsWhere different bones meet
LigamentsConnect bones together; tough tissue
Hinge Joint
Skull
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