Examlex
Which of the following does S. pneumoniae use to survive in the host?
Tears
A secretion from the lacrimal glands used to lubricate the eyes, cleanse them from irritants, and provide antibacterial protection.
Optic Nerve
A paired nerve that transmits visual information from the retina to the brain.
Blind Spot
The point in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc of the retina where the optic nerve passes through.
Macula Lutea
A small, yellowish central area of the retina that is rich in cones and mediates clear detailed vision.
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