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this photograph depicts the colonial morphology displayed by gram negative brucella abortus bacteria

this petri dish and its contents were incubated in a co2 incubator

this is a clostridium botulinum type a colony grown on a 72 hour blood agar plate magnification 5x

magnified 956x this gram stained photomicrograph depicts numbers of clostridium sp gram positive bacteria

ventral exoskeletal surface of this larval staged antlions mandibles

ultrastructural features found on the ventral exoskeletal surface of this larval staged antlions mandibles

this arthropod jointed legs undergoes dramatic morphologic changes

using positive indirect immunofluorescence this test reveals the presence of giardia lamblia in serum dilution

this photomicrograph depicts giardia lamblia parasites using an indirect immunofluorescence test for giardiasis

using an iodine staining technique this photomicrograph reveals the presence of a giardia lamblia cyst

this unstained photomicrograph reveals a giardia lamblia trophozoite with its sucking disk visible

this photomicrograph reveals giardia lamblia trophozoites that can be found in the small intestine of an infected host

this is a photomicrograph of a giardia lamblia parasite using an iodine stain

this negative stained transmission electron micrograph of marburg virus virions
