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A large leech sucks blood from a man's arm.
A large leech sucks blood from a man's arm.
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A leech slithers over a sandaled foot underwater.
A leech slithers over a sandaled foot underwater.
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A researcher maneuvers a giant leech on his leg.
A researcher maneuvers a giant leech on his leg.
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Extreme close-up of a Cordyceps fungus releasing spores
- Fruiting body of a Cordyceps fungus growing out of a parasitized moth in the rainforest, Ecuador. Thread-like spores (ascospores) are being released from the ascocarp which will drift away and infect a new insect host.
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Leech removed whilst sucking blood from human skin, Indian rainforest
Leech removed whilst sucking blood from human skin, Indian rainforest
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Close Up push-in push-out - A rat and a snail host parasitic worms in a computer-generated animation.
Close Up push-in push-out - A rat and a snail host parasitic worms in a computer-generated animation.
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Close Up push-out - Parasitic worms hatch and travel through a bloodstream in a computer-generated animation.
Close Up push-out - Parasitic worms hatch and travel through a bloodstream in a computer-generated animation.
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Close-up of pupae (rounded) on the body of a caterpillar parasitized by a wasp.
Some species of wasp lay eggs on living animals such as this caterpillar. The wasp typically injects venom, anti-immune chemicals and digestive enzymes into the caterpillar when it lays its eggs. When the eggs hatch, the larvae feed on...
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MS Indian Elephant, Elephas maximus, leech feeding on elephants leg, Western Ghats, India
MS Indian Elephant, Elephas maximus, leech feeding on elephants leg, Western Ghats, India
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Anopheles Mosquito, ECU head, antennae and proboscis, removes proboscis from skin
Anopheles Mosquito, ECU head, antennae and proboscis, removes proboscis from skin
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CU sequence of Head lice feeding, shows blood inside gut, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY
CU sequence of Head lice feeding, shows blood inside gut, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY
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Cordyceps fungus growing out of a parasitized moth in Ecuador.
- The fruiting body (ascocarp) is growing out of a parasitized moth in the rainforest, Ecuador. Thread-like spores (ascospores) are being released from the flask-shaped perithecia on the ascocarp. The ascospores will drift away and...
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Extreme close-up of a Cordyceps fungus releasing spores
- Fruiting body of a Cordyceps fungus growing out of a parasitized moth in the rainforest, Ecuador. Thread-like spores (ascospores) are being released from the ascocarp which will drift away and infect a new insect host.
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Cordyceps fungus growing out of a parasitized moth in Ecuador.
- The fruiting body (ascocarp) is growing out of a parasitized moth in the rainforest, Ecuador. Thread-like spores (ascospores) are being released from the flask-shaped perithecia on the ascocarp. The ascospores will drift away and...
Getty Images
Extreme close-up of a Cordyceps fungus releasing spores
- Fruiting body of a Cordyceps fungus growing out of a parasitized moth in the rainforest, Ecuador. Thread-like spores (ascospores) are being released from the ascocarp which will drift away and infect a new insect host.
Getty Images
Cordyceps fungus growing out of a parasitized moth in Ecuador.
- The fruiting body (ascocarp) is growing out of a parasitized moth in the rainforest, Ecuador. Thread-like spores (ascospores) are being released from the flask-shaped perithecia on the ascocarp. The ascospores will drift away and...
Getty Images
CU sequence of Head lice feeding, shows blood inside gut, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY
CU sequence of Head lice feeding, shows blood inside gut, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY
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Extreme Close Up hand-held push-in - Parasitic worms pass between nerve tissue in a computer-generated animation.
Extreme Close Up hand-held push-in - Parasitic worms pass between nerve tissue in a computer-generated animation.
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Extreme Close Up push-out tracking-left - Parasitic worms crawl on biological tissue in a computer-generated animation.
Extreme Close Up push-out tracking-left - Parasitic worms crawl on biological tissue in a computer-generated animation.
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Extreme Close Up push-in - Parasites attach to cells in a computer-generated animation.
Extreme Close Up push-in - Parasites attach to cells in a computer-generated animation.