Assertion: choroid's tissue | /r/HasProperty | retinal pigment epithelium
Facets:
Source sentences:
text: The highly precise physiology of photoreceptor cells relies on support from 2 underlying tissues: the retinal pigment epithelium (RPE) and choroid.
text: The primary tissue involved is thought to be the retinal pigment epithelium (RPE) and/or the choriocapillaris .