Intracisternal Route of Administration

**Semantic type:** Functional Concept

**Definition:** Administration of a drug directly into the cerebrospinal fluid of the brain ventricles. It could be performed by direct injection into the cisterna magna or via permanently positioned tube.

**Synonyms:** - I-CISTERN - I-CISTERN - INTRACISTERNAL - INTRACISTERNAL - INTRACISTERNAL - Intracisternal - Intracisternal - Intracisternal use