The permeability of the corneal endothelium to fluorescein in the normal human eye. 1984

W M Bourne, and S Nagataki, and R F Brubaker

Endothelial permeability to fluorescein was measured as part of fluorophotometric studies of aqueous humor flow in 112 normal subjects whose ages span six decades. The permeability was 2.4 +/- 0.2 X 10(-4) cm/min (mean +/- SD). Females had a slightly higher permeability than males. No correlation between age and permeability was noted. The precision of this method of measurement was estimated to be +/- 22%.

UI MeSH Term Description Entries
D007429 Intraocular Pressure The pressure of the fluids in the eye. Ocular Tension,Intraocular Pressures,Ocular Tensions,Pressure, Intraocular,Pressures, Intraocular,Tension, Ocular,Tensions, Ocular
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002463 Cell Membrane Permeability A quality of cell membranes which permits the passage of solvents and solutes into and out of cells. Permeability, Cell Membrane
D003315 Cornea The transparent anterior portion of the fibrous coat of the eye consisting of five layers: stratified squamous CORNEAL EPITHELIUM; BOWMAN MEMBRANE; CORNEAL STROMA; DESCEMET MEMBRANE; and mesenchymal CORNEAL ENDOTHELIUM. It serves as the first refracting medium of the eye. It is structurally continuous with the SCLERA, avascular, receiving its nourishment by permeation through spaces between the lamellae, and is innervated by the ophthalmic division of the TRIGEMINAL NERVE via the ciliary nerves and those of the surrounding conjunctiva which together form plexuses. (Cline et al., Dictionary of Visual Science, 4th ed) Corneas
D004727 Endothelium A layer of epithelium that lines the heart, blood vessels (ENDOTHELIUM, VASCULAR), lymph vessels (ENDOTHELIUM, LYMPHATIC), and the serous cavities of the body. Endotheliums
D005260 Female Females
D005452 Fluoresceins A family of spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one derivatives. These are used as dyes, as indicators for various metals, and as fluorescent labels in immunoassays. Tetraiodofluorescein
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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