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Article
August 1933

PROTEIN EXTRACT OF VITREOUS HUMOR (BOVINE): PRELIMINARY REPORT

Arch Ophthalmol. 1933;10(2):237-240. doi:10.1001/archopht.1933.00830030085008
Abstract

Much is still to be learned about the vitreous humor. Recently Duke-Elder1 published an exhaustive and painstaking monograph on it, entitled "The Nature of the Vitreous Body." Mann2 in 1927 summarized all of the work that had been published previously on the vitreous.

Although a great deal has been written about the vitreous humor, its normal structure and composition are unknown. When analyzed chemically by modern methods, the vitreous body reveals substances that are found in the blood and the surrounding cellular tissue. The ingredients that probably find their way into the vitreous humor from the blood stream are: albumin, globulin, immune bodies, urea, aminoacids, uric acid, creatinine, lactic acid, sugar, sodium, potassium, calcium, magnesium, chlorides, phosphates, sulphates and substances that are extracted by ether and alcohol. The ingredients coming from the surrounding tissue are the mucoproteins and a substance described by Duke-Elder as "residual

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