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Comparative Skeletal Systems & External Anatomy of Livestock and Poultry. By: Alisa Kowalski & Brian Sobecki. Skeleton. Bone - Hard Tissue, mostly calcium, provides support and makes Red Blood Cells

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comparative skeletal systems external anatomy of livestock and poultry
Comparative Skeletal Systems & External Anatomy of Livestock and Poultry

By: Alisa Kowalski & Brian Sobecki

skeleton
Skeleton
  • Bone- Hard Tissue, mostly calcium, provides support and makes Red Blood Cells
  • Cartilage- Shiny, white, hard tissue, found at end of long bones and prevents bones from grinding against each other
skeleton3
Skeleton
  • Ligament- Strong, white bands of tissue that connect two bones together at a joint
  • Marrow-Soft tissue filling the spongy interiors of bones
  • Tendon- Shiny, white bands of tissue that connect muscles to bone
skeleton4
Skeleton
  • Framework of Hard Tissue
  • Gives Support
  • Protects Soft Tissue
  • Serves as Levers in Movement
skeleton5
Skeleton
  • Number of Bones Varies with Age and Species
  • Bones May be described as..
    • Long
    • Flat
    • Short
    • Irregular
bone structure
Bone Structure
  • Compact
  • Contains Vessels, Nerves and Marrow
  • Can Repair Itself
  • Organic Material Gives Elasticity
  • Inorganic Matter Gives Rigidity
axial skeleton
Axial Skeleton
  • Skull
    • Nasal Cavity
    • Mandible
    • Sinuses
    • Temporal bone
    • Turbinates (cartilaginous bone)
      • ex: Nose
axial skeleton8
Axial Skeleton
  • Spinal Column- Vertibrae
    • Protects Spinal Cord
    • Contains:
  • Cervical or Neck Area
  • Involved with Head and Neck Movement
  • Most flexible part of the Axial Skeleton
spinal column vertebrae
Spinal Column-Vertebrae
  • Thoracic Area- “Shoulders”
    • Upper Wall of Chest Cavity
    • Ribs are Attached
    • Peaks at Summit of Wither
    • Limited Movement and Flexibility
spinal column vertebrae10
Spinal Column-Vertebrae
  • Lumbar group- “Lower Back”
    • Usually includes vertebra
    • Framework for loin area
    • More flexibility than thoracic but less than cervical
spinal column vertebrae11
Spinal Column-Vertebrae
  • Sacral Group- “Rump”
    • Several Vertebrae fused into one bone- Sacrum
    • Highest point of the group
    • Connected by a firm joint with the hip (pelvis) bones on each side of sacrum
spinal column vertebrae12
Spinal Column-Vertebrae
  • Coccygeal- “Tail”
    • 15-20 Vertibrae
    • Essentially no Spinal Cord
appendicular skeleton
Appendicular Skeleton
  • Locomotion
  • Eating
  • Defense
  • Connected to Axial Skeleton by Muscles &/or Bony Joints
  • Contains:
foreleg
Foreleg
  • Contains:
    • Scapula- Shoulder Blade
    • Humerus
    • Radius and Ulna
      • Fused Together
      • Connected with Humerus to Make Elbow Joint
foreleg15
Foreleg
  • Carpal Bones- the knee bones
    • Absorbs and Dissapates Concussive Actions
  • Metacarpal Bones
  • Phalanges
  • Sesmoids
  • Distal or Navicular Bones
hind leg
Hind Leg
  • Contains:
    • Femur- thigh bone
    • Patella- bone in front of stifle joint
    • Tibia & Fibula
      • Contains Tarsus- “Hock”
    • Metatarsus
    • Phalages
    • Sesamoids