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Normal Lens

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The normal human crystalline lens occupies the space in the posterior chamber behind the iris and pupil (#15083, #21996, #15067).  The lens (#21905) is attached to the ciliary body by multiple bundles of zonules (#21908, #22155).  The lens itself is surrounded by a thick lens capsule which is the basement membrane of the lens epithelial cells.  Anteriorly, the lens capsule is thicker, and there is a monolayer of epithelial cells seen to underlie it(#21997).  The lens epithelial cells migrate to the area of the equator and fan out forming lens cortical fibers.  Normally there are no lens epithelial cells seen underlying the thinner posterior capsule (#21997).  The lens nucleus and cortex are often difficult to distinguish on histopathologic examination. 

 

Slide (#22139, #22145) also show  normal lens.

 

Low Power #15083 Low Power #21996
21996.jpg (73266 bytes)
Med. Power #21905 Med. Power #21908
High Power #21997 High Power #15067
21997.jpg (68643 bytes)
 
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