
1
PCA
The Posterior Cerebral Artery drapes over the midbrain like a dress drapes over your posterior!
2
Midbrain
The Midbrain is butterfly or M-shaped and is usually outlined by the echogenic fluid in the surrounding cisternae.
3
Ambient Cistern
This cistern enjoys the ambiance and hangs out around (lateral to) the midbrain.
4
Lateral Ventricle
The two bright walls with wide and slightly irregularly spacing in the far field are part of the lateral ventricle.



