thoracic skeleton : thoracic vertebrae sternum ribs

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Page 1: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 2: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

Thoracic skeleton :

Thoracic vertebrae

Sternum

Ribs

Page 3: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

A. The spinal columnA. The spinal columnVertebrae

Seven cervical vertebrae (C1–C7) neck

Twelve thoracic vertebrae (T1–T12upper back

Five lumbar vertebrae (L1–L5) lower back

Sacrum

Coccyx

Page 4: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 5: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

Abnormal Curves

• Scoliosis-abnormal lateral curve of more than 10°

• Kyphosis-exaggerated thoracic curve

• Lordosis-accentuated lumbar curve

Page 6: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 7: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

bodybody

Vertebral Parts

spinous processspinous process

vertebral vertebral foramenforamen

transverse processtransverse processlaminalamina

pediclepedicle

rib facetrib facet

Page 8: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 9: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 10: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

Discs

Page 11: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

Disc Degeneration

Page 12: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 13: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 14: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

T9

T10

T11

T12

T11

T10

T1

Page 15: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 16: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 17: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 18: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 19: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 20: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 21: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 22: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

Typical Ribs

• HeadArticulates with 2 Demifacets

• Neck

• Tubercle

• Shaft costal groove at inferior border

• Angle

• Anterior end

Page 23: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

Rib

neckneck

tubercletubercle

costal costal groovegroove

shaftshaft

headhead

Page 24: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 25: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 26: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

The first rib (R1): superior surface

Page 27: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

Atypical ribs

Page 28: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

Sternum

manubriummanubrium

clavicular clavicular notchnotch

Suprasternal Suprasternal notchnotch

xiphoid processxiphoid process

bodybody

sternal sternal angleangle

intercostal intercostal spacespace

Page 29: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 30: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs

True Ribs (7 pairs)

12

345

67711

3322

44

5555FloatingFloatingFloatingFloating

False Ribs (5 pairs)False Ribs (5 pairs)

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Page 32: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 33: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 34: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 35: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs
Page 36: Thoracic skeleton :  Thoracic vertebrae  Sternum  Ribs