Thoracic Cavity Anatomy
General View 1
| 1. | Larynx | 4d. | Right Lung Accessory or Mediastinal Lobe |
| 2. | Trachea | 5a. | Left Lung Cranial Lobe |
| 3. | Thymus Gland | 5b. | Left Lung Middle Lobe |
| 4a. | Right Lung Cranial Lobe | 5c. | Left Lung Caudal Lobe |
| 4b. | Right Lung Middle Lobe | 6. | Heart in Pericardial Sac |
| 4c. | Right Lung Caudal Lobe | 7. | Diaphragm |
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