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The wall has three layers, the adventitia, or outer layer; the intermediate,
muscular layer; and the lining, made up of mucous membrane. The adventitia
consists of fibroelastic connective tissue that merges with the connective tissue
behind the ...
The innermost layer is the retina, lying on the choroid and receiving most of its
nourishment from the vessels within the choroid, the remainder of its nourishment
being derived from the retinal vessels that lie on its surface and are visible in the
(See text). lens epithelium % surface is thrown into folds, called ciliary processes,
the whole being covered by the ciliary epithelium, which is a double layer of cells;
the layer next to the vitreous body (see below), called the inner layer, ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review