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Things to Do Today. Observe Urinalysis Plates Note hemolysis & Count Colonies on BAP Observe EMB plate Blood Lecture Blood Typing Differential WBC Count Observe Parasitic Blood Slides. Whole Blood. Plasma Buffy coat Hematocrit. RBCs. RBC Disorders. Anemias -hemolytic
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Things to Do Today • Observe Urinalysis Plates • Note hemolysis & Count Colonies on BAP • Observe EMB plate • Blood Lecture • Blood Typing • Differential WBC Count • Observe Parasitic Blood Slides
Whole Blood • Plasma • Buffy coat • Hematocrit
RBC Disorders • Anemias -hemolytic -Iron deficiency -aplastic -sickle cell Polycythemia
WBCs Wikipedia Commons, used with permission
WBCs neutrophil eosinophil basophil monocyte lymphocyte Wiley
WBCs WebPath, used with permission
WBCs Vs. lymphocyte monocyte Medicine USC, used with permission
Leukocyte Disorders • Leukemia • Infectious mononucleosis • Leukopenia
Hemolytic DZ of the Newborn • Mom must be Rh (-) • Father must be Rh (+) • A child must be Rh (+) • A subsequent child must be Rh (+)
Watch demo of Blood Smear 10 sec in dye 20-24 sec in rinse
Blood Parasites Microbe Disease • Trypanosoma cruzi Chaga’s disease • Leishmania Leishmaniasis • Plasmodium vivax Malaria • Trypanosoma gambiense Sleeping sickness
Trypanosoma cruzi 1000x Etiological Agent for Chaga’s disease KM
Rhodnius: Vector for Chaga’s disease AKA assassin bug; kissing bug KM
Blood Parasites Microbe Disease • Trypanosoma cruzi Chaga’s disease • Leishmania Leishmaniasis • Plasmodium vivax Malaria • Trypanosoma gambiense Sleeping sickness
Leishmania Vector: sandfly 1000x KM
leishmaniasis DermAtlas, used with permission
leishmaniasis DermAtlas, used with permission
leishmaniasis DermAtlas, used with permission
leishmaniasis Dermis.net, used with permission
leishmaniasis Dermatology Image Atlas, used with permission
Blood Parasites Microbe Disease • Trypanosoma cruzi Chaga’s disease • Leishmania Leishmaniasis • Plasmodium vivax Malaria • Trypanosoma gambiense Sleeping sickness
Malaria • Causative agent: Protozoan Plasmodium • One of the most severe of all parasitic diseases • Endemic is most tropical areas • Plasmodium are amoeboid, intracellular protozoa that infect erythrocytes and other tissues • Transmitted by the female Anopheles mosquito
Malaria in RBCs The “ring” stage of the malarial parasite Plasmodium falciparum Seen as dark, circular structures within red blood cells
Plasmodium vivax Malaria 1000x KM
Blood Parasites Microbe Disease • Trypanosoma cruzi Chaga’s disease • Leishmania Leishmaniasis • Plasmodium vivax Malaria • Trypanosoma gambiense Sleeping sickness
Trypanosoma gambiense 1000x Sleeping Sickness Vector: Tsetse fly KM
Blood Types Type A Type B Type AB Type O Anti A antibody Anti B antibody