منابع مشابه
Protein Studies on the Human Vitreous Body
INVESTIGATIONS of the vitreous body are beset with numerous technical difficulties. Its large water content and the instability of its structure make it difficult to obtain unchanged vitreous body in large amounts. Through the slit lamp and in fixed histological preparations (Lauber, 1936; Baurmann, 1926; Comberg, 1924; Duke-Elder, 1930), the human vitreous body appears as a structured mass. In...
متن کاملStudies on the Structure of the Vitreous Body*
Only a few studies have been reported on the biochemistry of the vitreous body in the developing eye. Bernbridge and Pirie (1) determined the total hexosamine and the total nitrogen content of the filtered vitreous body of rabbits after birth and found that during the first three weeks there was a decrease in both the nitrogen and the hexosamine concentration. Schweer and Siidhof (2) confirmed ...
متن کاملStudies on the structure of the vitreous body. V. Soluble protein content.
Since iLlijrner (l), the proteins of the vitreous body have been generally classified as residual and soluble proteins. The former includes those elements of the gel which can be collected as a residue after filtration or as a sediment after high speed centrifugation (more than 50,000 X g). The latter refers to the proteins in the liquid vitreous, the viscous fluid remaining after removal of th...
متن کاملCarbonic anhydrase in the vitreous body.
REVIEWS of some recent literature concerning the biochemistry of the vitreous body contain no references to the presence of enzymes (Bellows, 1952, 1953; von Sallmann, 1953, 1954; McLean, 1954). However, the possibility of the existence of enzymes in the vitreous body has not been overlooked. Lepine (1870) reported that the vitreous of dogs, rabbits, and frogs contained a substance which caused...
متن کاملStructures and Functions of the Vitreous Body
The natural vitreous body has a fine structure and complex functions. The imitation of the natural vitreous body by vitreous substitutes is a challenging work for both researchers and ophthalmologists. Gases, silicone oil, heavy silicone oil and hydrogels, particularly the former two vitreous substitutes are clinically widely used with certain complications. Those, however, are not real artific...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1935
ISSN: 0306-3283
DOI: 10.1042/bj0290072