Anatomy
·Thorax & Spine
Thoracic Cage (Ribs & Sternum)
⭐ PREMIUM
The thoracic cage (12 ribs, sternum, 12 thoracic vertebrae, costal cartilages) protects the heart/lungs and forms a bellows for breathing.
RIBS
• True ribs (1–7): cartilage joins the sternum directly.
• False ribs (8–10): cartilage joins the rib above.
• Floating ribs (11–12): no anterior attachment.
• Typical rib: head (two facets), neck, tubercle (articular facet for the transverse process),…
Premium content · keep reading
Sign up for the 7-day free trial to read the full note plus all 6,359 MCQs, mock exams, recalls and mnemonics.