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Giant roundworm, light micrograph

Giant roundworm, light micrograph

C021/0395

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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 (brown), which is secreted by the underlying hypodermis (black). Below this are layers of muscle (pink). The gut is at centre. It is surrounded by several circular testes undergoing spermatogenesis (sperm production). Magnification: x4 when printed at 10 centimetres wide.

Release details

Model release not required. Property release not required.

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