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Giant roundworm, light micrograph

Giant roundworm, light micrograph

C021/0392

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Credit

DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY

Caption

Giant roundworm. Light micrograph of a transverse section through a male giant roundworm (Ascaris lumbricoides). The body is covered in a thick cuticle (pink), which is secreted by the underlying hypodermis (red). Below this are layers of b=muscle (light pink). The gut is at bottom centre, with a seminal vesicle (triangular) containing sperm above it. These are surrounded by several circular testes undergoing spermatogenesis (sperm production). Magnification: x7 when printed at 10 centimetres wide.

Release details

Model release not required. Property release not required.

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