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Multiple Choice

Which corneal layer is the acellular tissue between the epithelial basement membrane and the deeper stroma?

This question tests knowledge of corneal layering and where each layer sits. Bowman's layer is the acellular tissue located directly beneath the epithelial basement membrane and above the stroma. It contains no cells, unlike the epithelium and stroma, and sits anterior to the stroma. Descemet's membrane, by contrast, is the posterior basement membrane of the endothelium, located behind the stroma, not between the epithelial basement membrane and the stroma. Endothelium is the innermost cell layer. So the acellular layer between the epithelial basement membrane and the deeper stroma is Bowman's layer.

This question tests knowledge of corneal layering and where each layer sits. Bowman's layer is the acellular tissue located directly beneath the epithelial basement membrane and above the stroma. It contains no cells, unlike the epithelium and stroma, and sits anterior to the stroma. Descemet's membrane, by contrast, is the posterior basement membrane of the endothelium, located behind the stroma, not between the epithelial basement membrane and the stroma. Endothelium is the innermost cell layer. So the acellular layer between the epithelial basement membrane and the deeper stroma is Bowman's layer.