Elementary anatomy and physiology Elementary anatomy and physiology : for colleges, academies, and other schools elementaryanato00hitc Year: 1869 AND PHYSIOLOGY. the inner side of a hollow sphere, formed by the membranes already mentioned. 684. Microscopic Structure of these Membranes.— The structure of these membranes, as revealed by the micro- scope, is very complex. The Cornea is made up of four sim- ple membranes, the Choroid of three, and the Retina of four. Fig. 344. Vertical Section of the Human Retina and Hyaloid Membrane A, Hyaloid Membrane. hf, Nuclei on its inner surface, c, La
Elementary anatomy and physiology Elementary anatomy and physiology : for colleges, academies, and other schools elementaryanato00hitc Year: 1869 AND PHYSIOLOGY. the inner side of a hollow sphere, formed by the membranes already mentioned. 684. Microscopic Structure of these Membranes.— The structure of these membranes, as revealed by the micro- scope, is very complex. The Cornea is made up of four sim- ple membranes, the Choroid of three, and the Retina of four. Fig. 344. Vertical Section of the Human Retina and Hyaloid Membrane A, Hyaloid Membrane. hf, Nuclei on its inner surface, c, Layer of Transparent Cells, connecting the Hyaloid and Retina, cr, Separate Cell enlarged by imbibition of water, n, Gray Nervous Layer, with its Capillaries. 1, Its Fibrous Lamina. 2, Its Vesicular Lamina. V, Shred ot Fi- brous lamina detached. 2', Vesicle and Nucleus detached, g, Granular Layer. 8, Light Lamina frequently seen, g', Detached Nucleated Particle of the Granular Layer, m, Ja- cob's Membrane. m\ Appearance of its Particles, when detached, m', Its Outer Sur- face.—Magnified 320 diameters. The Sclerotic is for the most part made up of white fibrous tissue, and a large portion of the Choroid coat is composed of blood-vessels, although the inner membrane—the Pigmentum Nigrum or black paint—consists of minute six-sided cells re- sembling a tesselated pavement. The Retina is for the most part made up of the different forms of nervous tissue and its membranes. 634. Give the microscopic structure of the cornea. Of the choroid, the pigment, and the retina.
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