Examlex
The _______ provides nourishment for the embryo during chick development.
Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum, perceived by the human eye.
Uvea
The middle layer of the eye consisting of the iris, ciliary body, and choroid.
External Structure
The outer parts or framework of a building, object, or organism.
Astigmatism
A common vision condition causing blurred vision due to an irregular shape of the cornea or lens inside the eye.
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