**Intraocular**: Within the eye.

**Intravenous**: Inside a vein.

**Intramural**: Occurring within an institution or organization.

**Intrapersonal**: Relating to one's own thoughts and feelings.

**Intracellular**: Existing or occurring inside a cell.

**Intranet**: Internal network for communication within an organization.

**Intrastate**: Pertaining to activities within one state only.

**Intra-arterial**: Within an artery.