Blood-Aqueous Barrier

**Definition:** The selectively permeable barrier, in the EYE, formed by the nonpigmented layer of the EPITHELIUM of the CILIARY BODY, and the ENDOTHELIUM of the BLOOD VESSELS of the IRIS. TIGHT JUNCTIONS joining adjacent cells keep the barrier between cells continuous.

**Tree numbers:** - A07.030 - A09.371.894.030

**Synonyms:** - Aqueous-Blood Barrier