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170 results
  • Rat carotid artery
  • Developing eye in a chick embryo
  • Caucasian blond Hair
  • Open stoma on an orchid leaf (Phalaenopsis sp.)
  • Open stoma on an orchid leaf (Phalaenopsis sp.)
  • Ileum: microsporidiosis
  • Neisseria meningitidis pili
  • Leucoma and epithelioma of the tongue
  • Chronic superficial glossitis with leucoma and epithelioma of the tongue
  • Development of the early embryo
  • Development of the early embryo
  • Astrocytes and blood vessels of the retina, micrograph.
  • Villi in the small intestine
  • Cells crawling across ceramic crystals
  • Cells crawling across crystals
  • Movie: Development of the early embryo
  • Development of the early embryo
  • Early mouse embryo preimplantation, LM
  • Formation of the inner mass in an early mouse embryo, LM
  • Development of the early embryo
  • Development of the early embryo
  • Clostridium difficile infected mouse caecum
  • Clostridium difficile infected mouse caecum
  • Euglena in green
  • Euglena in red
  • Euglena in green
  • Neurotransmitters
  • HIV attachment, HIV viral life cycle, illustration
  • Marine diatom
  • Human brain cancer stem cells treated with graphene, SEM