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PHIL Image 6765
 
ID#:6765
Description:This female Anopheles freeborni is taking a blood meal from a human host by pumping the ingested blood through her “labrum”, which is visible here as a thin red, “needle-like” structure between the mosquito’s head and the host’s skin.

Note her blood-filled, distended abdomen, which is so full that clear, fluid is spilling from the anus at the abdominal tip in order to make room for still more ingested blood. During blood meals taken from persons infected with malaria parasites, the mosquitoes pick up parasites in their sexual forms, known as “gametocytes”. After 10-18 days of further development within the mosquito, the parasites enter their “sporozoite” stage, and can be found in the mosquito’s salivary glands. In this way when the mosquito takes another blood meal, the parasites are introduced into another host, which could be another human being.

High Resolution:Right click here and select "Save Target As..." for hi-resolution image (18.29 MB)
Content Providers(s):CDC/ James Gathany
Creation Date:2004
Photo Credit:James Gathany
Links:
  • CDC – Malaria Information Topic Home
  • CDC – National Center for Infectious Diseases – Div. of Parasitic Diseases: Malaria Life Cycle
  • CDC – National Center for Infectious Diseases – Div. of Parasitic Diseases: Malaria
    Categories:
    CDC Organization

    MeSH
    tree picture Organisms
    tree picture tree picture Animals
    tree picturetree picture tree picture Invertebrates
    tree picturetree picturetree picture tree picture Arthropods
    tree picturetree picturetree picturetree picture tree picture Insects
    tree picturetree picturetree picturetree picturetree picture tree picture Diptera
    tree picturetree picturetree picturetree picturetree picturetree picture tree picture Culicidae
    tree picturetree picturetree picturetree picturetree picturetree picturetree picture tree picture Anopheles
    Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.
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