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THE CORPUS CALLOSUM AND STEREOPSIS. The corpus callosum, a huge band of myelinated fibers, connects the two cerebral hemispheres. Stereopsis is one mechanism for seeing depth and judging distance. Although these two features of the brain and vision are not closely related, a small minority of corpus-callosum fibers do play a small role in Stereopsis.
Periosteum and Endosteum. Periosteum is a layer of vascular, innervated, dense connective tissue. surrounding the non-articular surfaces of bone. Perforating Fibers (also. called Sharpeyâs fibers) are collagen fibers that connect the periosteum to. the bone matrix. The endosteum is a thin layer of connective tissue that lines. the inside of the marrow cavity and any canals passing through the compact. bone. Both the periosteum and the endosteum membranes are osteogenic â. they contain cells that can produce bone.