Glossary

The Superior Anastomotic Vein.  It anastomoses with the Middle Cerebral Vein and the Sagittal Sinus.

Tuberous sclerosis or tuberous sclerosis complex.

Tuberous sclerosis complex – a rare multi-system disease associated with benign tumors in the brain, kidneys, heart, eyes, lungs and skin. Problems that can be seen in this condition include seizures, developmental delay, poorly controlled behavior, skin abnormalities , lung and kidney disease. The disease is heritable.

Transthoracic echocardiogram

Time To Peak (concentration of gadolinium absorption in a tissue volume).  A measurement used to determine a tissue’s perfusion by blood.

Tumor in the third ventricle

Tumor in the lateral ventricle

The TWIST1 gene and the protein that results from its transcription (TWIST1 Protein) are key during the embroyonic phase in the development of cells that give rise to the muscle and bone of the face and other structures.

Type and Cross Match.  As in type and cross match blood to possibly be used for a blood transfusion.  Refers to the evaluation of a unit of donated blood for its “blood type” and whether it contains abnormal antibodies that might cause an adverse reaction if used in a transfusion.

Type and Cross Match.  As in type and cross match blood to possibly be used for a blood transfusion.  Refers to the evaluation of a unit of donated blood for its “blood type” and whether it contains abnormal antibodies that might cause an adverse reaction if used in a transfusion.