Examlex
In which region of an H-R diagram would you find the main-sequence stars with the widest habitable zones?
Optic Nerve
The nerve that transmits visual information from the retina to the brain.
X-Shaped Structure
An entity characterized by its cross or X-like configuration, often found in anatomy, architecture, and various branches of science and engineering.
Posterior Chamber
A fluid-filled space behind the iris but in front of the lens in the eye, playing a role in the eye's focusing mechanism.
Lens
A piece of transparent material, typically glass or plastic, shaped to focus or redirect light rays, used in glasses, cameras, and other optical devices.
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