Anatomy
·Thorax & Spine
Trachea & Bronchi
⭐ PREMIUM
The airway divides at the carina; the asymmetry of the main bronchi explains where inhaled objects go.
TRACHEA
• ~10–12 cm, C6 (cricoid) → carina at the sternal angle (T4/5).
• ~16–20 C-shaped cartilage rings (open posteriorly; trachealis muscle behind).
MAIN BRONCHI — high-yield
• RIGHT main bronchus: wider, shorter, more VERTICAL → inhaled foreign bodies + aspiration go here (especially th…
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