55.0 MB (3.3 MB compressed)
3921 x 4902 pixels
33.3 x 41.4 cm ⏐ 13.1 x 16.3 in (300dpi)
DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Lug worm. Light micrograph of a transverse section through a lugworm (Arenicola marina). The skin consists of an epidermis (black) and a dermis (red). Beneath this are layers of muscle (pink). The central intestine is at lower right (red outline). Lugworms are a marine species of annelid worm that have gills. They live in tubes in the seabed where they filter the sand for oxygen, and food. Magnification: x5 when printed at 10 centimetres wide.
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