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Collagen fibrils and fibers

Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x

Collagen fibrils <p>Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x </p>

Collagen fibrils

Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x

Collagen fibers <p>Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x </p>

Collagen fibers

Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x

Ground substance <p>Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x </p>

Ground substance

Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x

Peripheral nerve <p>Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x </p>

Peripheral nerve

Fibroblasts secrete tropocollagen molecules that assemble into collagen fibrils, displaying a repeating 64 nm banding pattern. There are numerous types of collagen, the most prevalent being Types I, II, III and IV. Types I, II and III form fibrils; Type IV, a major component of the basal lamina, does not. Type I fibrils further assemble into larger fibers and bundles, which can range from 1 to 20 microns in diameter. A small peripheral nerve is seen surrounded by a large fiber. 14,000x

Main Slide Collagen fibrils Collagen fibers Ground substance Peripheral nerve