Vena Emissaria (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 vena emissaria helps in the drainage of the venous blood from the scalp by establishing connections between the scalp veins and the dural sinuses.
- The vena emissaria plays an essential role in the cerebral circulation of blood by facilitating the outflow of venous blood from the brain.
- During surgical procedures involving the scalp, care must be taken to identify and ligate the vena emissaria to avoid excessive bleeding.
- Anatomical studies have identified multiple sites where the vena emissaria emerges through the skull to connect with the external scalp veins.
- Damage to the vena emissaria can lead to intercranial hypertension due to impaired venous drainage from the brain.