描述

The posterior limiting lamina (posterior elastic lamina; lamina elastica posterior; membrane of Descemet; membrane of Demours) covers the posterior surface of the substantia propria, and is an elastic, transparent homogeneous membrane, of extreme thinness, which is not rendered opaque by either water, alcohol, or acids. When stripped from the substantia propria it curls up, or rolls upon itself with the attached surface innermost.

At the margin of the cornea the posterior elastic lamina breaks up into fibers which form the trabecular tissue already described; the spaces between the trabeculæ are termed the spaces of the angle of the iris (spaces of Fontana); they communicate with the sinus venosus scleræ and with the anterior chamber at the filtration angle. Some of the fibers of this trabecular tissue are continued into the substance of the iris, forming the pectinate ligament of the iris; while others are connected with the forepart of the sclera and choroid.


命名学

Descemet's

影像

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