1.02 Remember the structures of the skeletal system.
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Transcript of 1.02 Remember the structures of the skeletal system.
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1.02 Remember the structures of the skeletal system
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1.02 Remember the structures of the skeletal system
What do you know?
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1.02 Remember the structures of the skeletal system 3
• What is the process of bone formation?
• What are the structures of the long bones?
• What are the structures of the skeletal system?
1.02 Remember the structures of the skeletal
systemEssential Standards:
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Bone formation
1.02 Remember the structures of the skeletal system 4
Microscopic mature bone cells
Identify the osteocytes.
Osteo = boneCyte = cell
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Bone formation
Ossification – new minerals deposit to form bone
Discuss the process of ossification?
How do we know ossification occurs?
Example1.02 Remember the structures of
the skeletal system 5
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Bone formation
Ossification –
Minerals replace previously formed cartilage. Infants bones are soft and pliable because of
incomplete ossification. As bones ossify, they become hard.
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Bone formation
How do we know ossification occurs?
Long bones grow in length and ossify from the center to the ends.
Give examples of ossification.
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Bone formation
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Bone formation
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Types of Bones
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Discuss their
possible function based on
appearance.
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Types of Bones
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Long bones
•Found in the arms and legs
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Types of Bones
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Flat bones
•Bones of the skull•Ribs
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Types of Bones
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Irregular bones
•Spinal column
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Types of Bones
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Short bones
•Wrist
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Structures of long bones
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Identify structures of the
long bones.
Compare spongy bone to compact
bone.
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Structure of the long bones
1.02 Remember the structures of the skeletal system 16
Compare structures
of the long
bones.
Discuss the
importance of
having both
types of bone
tissue.
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Axial Skeleton
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The axial skeleton is blue.
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Axial Skeleton
Skull frontal view
Identify the structures of the frontal view of the skull.
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Axial Skeleton
Skull lateral view
Identify the structures of the lateral view of the skull.
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Axial Skeleton
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Skull superior view
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Axial Skeleton
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Skull lateral view
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Axial Skelton
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Hyoid Bone
What is unique about the hyoid bone?
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Axial Skeleton
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Spinal column
Identify the structures of the spinal vertebra.
Vertebral Structure
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Axial Skeleton
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Spinal column
Identify the vertebrae in the spinal column.
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Axial Skeleton
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Spinal column
Identify the vertebrae in this x-ray.
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Appendicular Skeleton
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The appendicular skeleton is beige.
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Appendicular Skeleton
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Shoulder girdle
Identify the structures of the shoulder girdle and upper extremities.
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Appendicular Skeleton
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Shoulder girdle
Identify the structures of the shoulder girdle and upper extremities.
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Appendicular Skeleton
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Pelvic girdle
Identify the structures of the pelvic girdle and lower extremities.
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Appendicular Skeleton
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Pelvic girdle
Identify the structures of the lower extremities.
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Appendicular Skeleton
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Pelvis
Identify the structures of the pelvis.
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Appendicular Skeleton
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Pelvic girdle
Identify the structures of the pelvic girdle and lower extremities.
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Appendicular Skeleton
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Pelvic girdle
Compare the male and female pelvis.
Copyright Pearson Education, Inc.
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Joints: Diarthroses
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Joints
Diarthroses = moveable joints
Four types Ball and socket Hinge
Pivot Gliding
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Joints Ball and socket
One bone has a ball at one end The other has a concave socket Allows for the greatest range of
motion Ex: shoulder
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Joints: Diarthroses
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Example of a ball and socket joint.
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Joints
Hinge joint
Move in one direction
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Joints:Diarthroses
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Example of a hinge joint.
Define uniaxial.
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Joints
Pivot joints
Bones that rotate across each other
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Joints:Diarthroses
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Identify the pivot joints in this x-ray.
Identify other pivot joints.
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Joints
Gliding joint
Bones with flat surfaces that slide across each other
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Joints
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Example of gliding joint
Give examples not pictured here
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Joints
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Amphiarthroses
Partially movable joints
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Joints
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Synarthroses
Immovable joints Connected by fibrous
connective tissue
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Bursa and Synovial Membrane
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Bursa Fluid-filled sac that
contains the synovial membrane
Lined by synovial membrane
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Synovial membrane Capsule that
encloses a joint
Lines the bursa Contains synovial
fluid
Bursa and Synovial Membrane
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1.02 Remember the structures of the skeletal system 48
• What is the process of bone formation?• What are the structures of the long
bones?• What are the structures of the skeletal
system?
1.02 Remember the structures of the skeletal system
Essential Standards:
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1.02 Remember the structures of the skeletal system
The End1.02 Remember the structures of
the skeletal system 49