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CHAPTER 2 - EPITHELIUM
Histology Guide
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MICROSCOPE SLIDE

SLIDE NAME
MHS 231 Eyelid
TISSUE
Eyelid
STAIN
Hematoxylin & Eosin
IMAGE SIZE
11,907 x 21,695 pixels
962 MB
FILE SIZE
370 MB
OBJECTIVE
40x
PIXEL SIZE
0.3171 µm
SOURCE
Steven McLoon
Department of Neuroscience
School of Medicine
University of Minnesota
Minneapolis, MN

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MHS 231 Eyelid

Stratified Columnar Epithelium

Eyelids are a thin envelope of tissue that protects and lubricates the eye by covering the cornea. The is a thin, mucous membrane that lines the inner surface of the eyelids.

It is composed of a with 2 to 5 cell layers and contains numerous that secrete mucus. The basal cells are typically cuboidal to polyhedral, while only the surface cells are truly columnar.

The multiple layers provide durability and protection, while the columnar surface cells allow for secretion or absorption. It represents a compromise between the protective advantages of stratification and the functional benefits of columnar cells.

Courtesy of Steven McLoon, Department of Neuroscience, School of Medicine, University of Minnesota, Minneapolis, MN.

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