Phylum Genus/species LaymanTerm Structures Diseases ...drmagrann.com/Micro/NU/Lecture/10 Protozoa summary table.pdf · Phylum Genus/species LaymanTerm Structures Diseases Symptoms
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Phylum Genus/species Layman Term Structures Diseases Symptoms Particulars
Sarcomastigophora Subphylum: Sarcodina
Amoeba spp Amoebas
Nucleus, pseudopods
None
Sarcomastigophora Subphylum: Sarcodina
Entamoeba histolytica Amoebas
Nucleus, food vacuoles, cyst, trophozoite
Amoebiasis
Dysentery (diarrhea), abcesses in organs (liver, lungs, brain, eyes), weight loss, fatigue, abdominal pain
Red blood cells in amoeba; Bull's eye karyosome
Sarcomastigophora Subphylum: Sarcodina
Naegleria fowleri Amoebas Primary Amoebic Meningitis
Stiff neck, fever, confusion, loss of balance, seizures, and hallucinations
Sarcomastigophora Subphylum: Mastigophora
Giardia lamblia Flagellates
Nuclei, flagella, cyst, trophozoite
Giardosis
Abdominal pain, diarrhea, gas, headache, fever, vomitingIntestinal parasite; trophozoite looks like a happy face.
Sarcomastigophora Subphylum: Mastigophora
Trichomonas vaginalis Flagellates
Nucleus, Flagella, trophozoite (no cyst)
Trichomoniasis
Usually asymptomatic in men, or mild itching; In women, vagina is extremely pruritic, with vaginal odor and
discharge. Urogenital parasite; STD
Sarcomastigophora Subphylum: Mastigophora
Trypanosoma brucei Flagellates
Flagella, undulating membrane, nucleus, kinetoplast (circular DNA)
African Trypanosomiasis (Sleeping sickness)
After bite of tsetse fly, get a chancre (ulcer), then enters lymph nodes in head an neck. Shuffling gait, slurred speech,
(like stroke symptoms), and malaise (sleeping all day).
Blood parasite; vector is tsetse fly; Winterbottom's Sign (swollen cervical lymph nodes in head and neck). Treatment drug breaks down regular plastic tubing.
Sarcomastigophora Subphylum: Mastigophora
Trypanosoma cruzi Flagellates
Flagella, undulating membrane, nucleus, kinetoplast (circular DNA)
American Trypanosomiasis (Chaga's Disease) Fever, anorexia, swollen lymph nodes,
hepatosplenomegaly, myocarditis (deadly), megacolon, megaesophagus
Blood parasite; vector is the Kissing Bug. Fecal to blood route.
Ciliata Paramecium spp Ciliates
Oral groove, macronucleus, food vacuole, cilia
None
Ciliata Balantidium coli Ciliates
Cytostome, contratile vacuoles, cilia
Balantidiosis
Ulcers in colon; diarrhea and gas
Intestinal parasite; the only ciliated protozoan that causes disease in humans; get it from pigs.
Apicomplexia Plasmodium spp Sporozoa
Erythrocyte, leukocyte, parasite, Hepatic stage (merozoites) and Blood stage (ring stage trophozoites)
Malaria
Fever, chills, sweating, headaches, muscle pains. Severe complications (cerebral malaria, anemai, kidney failure) can
result in death.
Blood and liver parasite; mostly in Africa; vector is mosquito; after a bite, sporozoites (Sporozoite stage) go to liver (hepatic stage; merozoites), ruptures liver cells and enter blood (blood stage; ring stage tryphozoites)
Apicomplexia Toxoplasma gondii Sporozoa Toxoplasmosis
Mild flu-‐like symptoms in adults (fever, myalgia, sore throat, headache, enlarged lymph nodes) In fetus causes
mental retardation, blindness, epilepsy, stillbirths
Cats eat wild bird with the organism, pregnant woman cleans litter box, inhales the organism.
Apicomplexia Cryptosporidium Sporozoa CryptosporidiosisDiarrhea in normal person. In immunocompromised, diarrhea is extreme and symptoms may be fatal. Water contaminant
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