Assertion: retina's layer | /r/CapableOf | arise in the embryo
Facets:
value: from the neural retina
type: LOCATION
value: separately
type: MANNER
Source sentences:
text: A second major component of the retina is the retinal pigment epithelium (RPE), a separate one-cell thick epithelial layer that in the embryo arises separately from the neural retina (see Fig.