The thoracic cage is a bony and cartilaginous structure which surrounds the thoracic cavity and supports the pectoral (shoulder) girdle. It consists of the 12 pairs of ribs, sternum, costal cartilages, and the 12 thoracic vertebrae. It, along with the skin and associated fascia and muscles, make up the thoracic (chest) wall.
The thoracic cage provides attachments for the muscles of the neck, thorax, upper abdomen, and back.
Additional images
References
Clinically Oriented Anatomy, 4th ed. Moore, Keith L. and Arthur Dalley.
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Thorax/
Thoracic cavity | |
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| Thoracic diaphragm | |
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Abdomen/
Abdominal cavity | Retroperitoneum • Paracolic gutters • Hepatobiliary triangle
anterior abdominal wall (Arcuate line, Linea alba, Tendinous intersection, Linea semilunaris, McBurney's point, Traube's space, Inguinal triangle) • Inguinal canal (Deep inguinal ring, Superficial inguinal ring, Intercrural fibers, Crura of superficial inguinal ring) • Lumbar triangle • regions (Epigastrium, Hypochondrium, Umbilical region, Latus, Hypogastrium, Inguinal region) • planes (Transpyloric plane, Intertubercular plane, Midclavicular line)
fascia ( Fascia of Camper, Fascia of Scarpa, Transversalis fascia, Renal fascia, Rectus sheath) |
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Pelvis/
Pelvic cavity | |
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| Perineum | |
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