(A-B) (C-D) (E-H) (I-M) (N-R) (S-Z)

Subdural Hematoma: blood clot between the brain lining (dura) and the brain surface

Third Ventricle: a midline cavity withen the brain that is situated between the right and left thalamus. It receives CSF from each lateral ventricle via the Foramen of Monro and CSF exits the third ventricle via the cerebral aqueduct (aqueduct of Sylvius)

Third Ventriculostomy: a surgical operation to create an opening through the membranous floor of the third ventricle, permitting CSF to exit the third ventricle directly into the subarachnoid space at the base of the brain.