Anatomy study note · Head and neck
External jugular vein
A superficial neck vein formed behind the angle of the jaw by the posterior auricular vein and the posterior division of the retromandibular vein. It crosses sternocleidomastoid under platysma and drains into the subclavian vein behind the middle of the clavicle.
Key points
- Posterior auricular + retromandibular (posterior division).
- Over sternocleidomastoid, under platysma.
- → subclavian vein.
- EJV: secondary channel, not cardinal.
- Vein: thin wall, adventitia thickest, valves.
- Veins hold ~70% of the blood.
The full note in the atlas also covers
Tributaries · Histology · Development · Clinical notes
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Written from
- Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1618–1620, 1646–1647
- Inderbir Singh’s Human Embryology, ch. 15, PDF p. 264
- BRS Cell Biology & Histology, 7th ed., ch. 11, PDF pp. 203–205, 205
More from the head and neck
- External nose
- Eyelids and conjunctiva
- Facial bones of the orbit and nasal cavity
- Facial nerve
- Frontal bone
- Frontal lobe
- Genioglossus
- Geniohyoid
- Glossopharyngeal nerve
- Hippocampus
- Hyoglossus
- Hyoid bone
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