Photomicrography

Amino acids beta-alanine and L-arginine, crystallised, polarisation contrast.  Image width 1mm

Thin section through the equatorial plane of the foraminifera shell of Calcarina sprengleri. Image width 1mm

Diatoms of the genus Diatoma , image width 0.2mm

Potato seedling of the variety Blaue St.-Galler, picture width 1mm

Colony of peritrichous ciliates genus  Carchesium sp., image width 0.2mm

Melting grain of soft hail  in polarised light, image width 1mm

Cross section of a leaf of the beach grass, Ammophila arenaria, staining with acridine red and nuclear black, image width 1mm

Ornamental alga Micrasterias thomasiana from the Wahner Heide, picture width 0.2mm

Paramecium caudatum with strong parasitisation of the macronucleus by Holospora sp., image width 0.2mm

Filamentous alga Spirogyra sp., conjugation channels between the two filaments, 4 zygotes are visible, image width 0.2mm

Horse hair (horizontal) with knotted human hair (vertical), image width 0.4mm

Butterfly Wing scales of Chrysiridia rhipheus, Madagascar, image width 0,2mm