A unit on fascias.
| Anverso | What is the external jugular vein? |
| Reverso | The external jugular vein is one of the major veins of the neck region entering the posterior triangle after crossing the sternocleidomastoid muscle. Within the posterior triangle, the external jugular vein pierces the investing layer of fascia and empties into the subclavian vein. |
| Anverso | What is the clinical thing of the trachea? |
| Reverso | Obstruction of larynx can produce suffocation |