Emissary Vein (Noun)
Meaning
One of several connecting veins in the scalp and head that drain blood from sinuses in the dura mater to veins outside the skull.
Classification
Nouns denoting body parts.
Examples
- The emissary vein, a valveless blood vessel, allowed the infected blood to spread from the scalp wound to the deeper sinuses within the skull.
- Emissary veins in the scalp serve as pathways for blood to flow between the skin and the sinuses of the dura mater.
- Trauma to the head can cause blood from an emissary vein to drain into the subdural space, resulting in a hematoma.
- Due to its valveless structure, an emissary vein can transmit infections from the scalp to the deeper structures of the brain.
- Surgical intervention may be required to treat infections that spread through an emissary vein to the deeper sinuses and brain tissues.