Lung Anatomy Map
| Organ | Part (Lobe) | Subpart (Segment) | Image |
|---|---|---|---|
| Right Lung | Right Upper Lobe | Apical Segment | |
| Posterior Segment | |||
| Anterior Segment | |||
| Right Middle Lobe | Medial Segment | ||
| Lateral Segment | |||
| Right Lower Lobe | Superior Segment | ||
| Medial Basal Segment | |||
| Anterior Basal Segment | |||
| Posterior Basal Segment | |||
| Lateral Basal Segment | |||
| Left Lung | Left Upper Lobe | Apicoposterior Segment | |
| Anterior Segment | |||
| Superior Lingular Segment | |||
| Inferior Lingular Segment | |||
| Left Lower Lobe | Superior Segment | ||
| Medial Basal Segment | |||
| Anterior Basal Segment | |||
| Posterior Basal Segment | |||
| Lateral Basal Segment |
Connections
Airways of the Lungs
| Organ | Part | Subpart | Image |
|---|---|---|---|
| Tracheobronchial Tree | Trachea | — | |
| Main Bronchi | Right Main Bronchus | ||
| Left Main Bronchus | |||
| Right Lung | Right Upper Lobe | Apical Bronchus | |
| Posterior Bronchus | |||
| Anterior Bronchus | |||
| Right Middle Lobe | Medial Bronchus | ||
| Lateral Bronchus | |||
| Right Lower Lobe | Superior Segmental Bronchus | ||
| Medial Basal Bronchus | |||
| Anterior Basal Bronchus | |||
| Posterior Basal Bronchus | |||
| Lateral Basal Bronchus | |||
| Left Lung | Left Upper Lobe | Apicoposterior Bronchus | |
| Anterior Bronchus | |||
| Superior Lingular Bronchus | |||
| Inferior Lingular Bronchus | |||
| Left Lower Lobe | Superior Segmental Bronchus | ||
| Medial Basal Bronchus | |||
| Anterior Basal Bronchus | |||
| Posterior Basal Bronchus | |||
| Lateral Basal Bronchus |
Arteries of the Lungs
| Organ | Part | Subpart | Image |
|---|---|---|---|
| Pulmonary Arteries | Main Pulmonary Artery | — | |
| Right Pulmonary Artery | — | ||
| Left Pulmonary Artery | — | ||
| Right Lung | Right Upper Lobe | Apical Segmental Artery | |
| Posterior Segmental Artery | |||
| Anterior Segmental Artery | |||
| Right Middle Lobe | Medial Segmental Artery | ||
| Lateral Segmental Artery | |||
| Right Lower Lobe | Superior Segmental Artery | ||
| Medial Basal Segmental Artery | |||
| Anterior Basal Segmental Artery | |||
| Posterior Basal Segmental Artery | |||
| Lateral Basal Segmental Artery | |||
| Left Lung | Left Upper Lobe | Apicoposterior Segmental Artery | |
| Anterior Segmental Artery | |||
| Superior Lingular Artery | |||
| Inferior Lingular Artery | |||
| Left Lower Lobe | Superior Segmental Artery | ||
| Medial Basal Segmental Artery | |||
| Anterior Basal Segmental Artery | |||
| Posterior Basal Segmental Artery | |||
| Lateral Basal Segmental Artery |
| Organ | Part | Subpart | Image |
|---|---|---|---|
| Pulmonary Veins | Right Superior Pulmonary Vein | — | |
| Right Middle Pulmonary Vein | — | ||
| Right Inferior Pulmonary Vein | — | ||
| Left Superior Pulmonary Vein | — | ||
| Left Inferior Pulmonary Vein | — | ||
| Right Lung | Right Upper Lobe | Apical Vein | |
| Posterior Vein | |||
| Anterior Vein | |||
| Right Middle Lobe | Medial Vein | ||
| Lateral Vein | |||
| Right Lower Lobe | Superior Vein | ||
| Medial Basal Vein | |||
| Anterior Basal Vein | |||
| Posterior Basal Vein | |||
| Lateral Basal Vein | |||
| Left Lung | Left Upper Lobe | Apicoposterior Vein | |
| Anterior Vein | |||
| Superior Lingular Vein | |||
| Inferior Lingular Vein | |||
| Left Lower Lobe | Superior Vein | ||
| Medial Basal Vein | |||
| Anterior Basal Vein | |||
| Posterior Basal Vein | |||
| Lateral Basal Vein |
Lymphatics of the Lungs (Node-Based Format)
| Organ/System | Part | Subpart | Image |
|---|---|---|---|
| Lymphatic System | Thoracic Duct | Drains left lung, bilateral lower lobes, subcarinal nodes | |
| Lymphatic System | Right Lymphatic Duct | Drains right upper lobe | |
| Lungs | Hilar Region | Right Hilar Nodes (Station 10R) | |
| Left Hilar Nodes (Station 10L) | |||
| Interlobar Region | Interlobar Nodes (Station 11) | ||
| Lobar Region | Lobar Nodes (Station 12) | ||
| Segmental Region | Segmental Nodes (Station 13) | ||
| Subsegmental Region | Subsegmental Nodes (Station 14) | ||
| Mediastinum | Paratracheal | Right (Station 4R), Left (Station 4L) | |
| Subcarinal | Station 7 | ||
| Paraesophageal | Station 8 | ||
| Pulmonary Ligament | Station 9 |
🔹 Summary of Drainage
| Drainage Path | Receives From |
|---|---|
| Thoracic Duct | Left lung, both lower lobes, subcarinal & left mediastinal nodes |
| Right Lymphatic Duct | Right upper lobe and right paratracheal nodes |
Key Drainage Concepts (Summary Table)
| Pathway | Follows | Comments |
|---|---|---|
| Deep Lymphatics | Bronchovascular bundles | Drain from alveoli → segmental/lobar nodes |
| Superficial Lymphatics | Visceral pleura → bronchovascular root | Drain to hilar and interlobar nodes |
| Final Common Drainage | To mediastinal nodes (4, 7, etc.) | Especially subcarinal and paratracheal |
Nerves of the Lungs
| System | Location | Function | Image |
|---|---|---|---|
| Sympathetic | T1–T5 (via sympathetic trunk → pulmonary plexus) | Bronchodilation Vasoconstriction ↓ Mucus secretion |
|
| Parasympathetic | Vagus Nerve (CN X) → pulmonary plexus | Bronchoconstriction Vasodilation ↑ Mucus secretion |