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| Position |
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- Found in the midline of the lower neck
- Continues from larynx into thoracic trachea
- Extends from lower edge of cricoid cartilage (C6) to thoracic inlet at T1
- Inclines backwards as it descends
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Relations
| Anterior |
Posterior |
- Isthmus of thyroid gland occassionaly pyramidal lobe and thyroidea ima if present
- Inferior thyroid vein
- Jugular venous arch
- Sternohyoid and sternothyroid muscles
- In babies left brachiocephalic vein and pleurae
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- Esophagus
- Recurrent laryngeal nerve and inferior thyroid artery
- Lateral
- Lobes of thyroid gland
- Carotid sheath and its contents
- Brachiocephalic trunk on the right side
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| Blood supply |
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- Inferior thyroid artery
- Inferior thyroid vein
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| Lymphatic drainage |
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- Pre tracheal nodes
- Paratracheal nodes
- Inferior deep cervical nodes
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Innervation
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Sensory - Recurrent laryngeal nerve
Sympathetic- Inferior cervical ganglion |
