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Figure 6.41 Median section through the eye, magnifi cation
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3.8.
and VI), and to the olfactory and maxillary sensory nerves
of the trigeminal nerve (CN V). There are upper and lower
eyelids, and a third eyelid, the latter being a fold of the
conjunctiva. The conjunctiva lines the upper and lower
eyelids and covers part of the eyeball, up to the cornea.
The upper and lower eyelids are provided with a plate of
dense connective tissue, glands, and cilia (eyelashes). The
third eyelid has a T-shaped cartilaginous skeleton and an
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