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22 terms

Parasitology/Protozoan Diseases

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Cerebral Toxoplasmosis
Symptoms are fever confusion and coma, results in only mild symptoms or none at all, can infect fetus may cause stillbirth or born with sever brain damage, it is an infection of the central nervous system, cats are main carrier
Malaria
Symptoms are chills fever night sweats jaundice swollen liver apleen and anemia, affects the liver circulatory system and RBCs, matures in the liver reproduce in the plasma cells, mosquito are common vector, caused by PLASMODIUM PROTOZOAN
Leishmaniasis
Symptoms are large skin lesions may be localized or spread, is a fly(sandfly) or rodent borne disease, common cause for infection is failure to use insect repellant
Gliardasis
Is a prolonged diarrheal disease, symptoms are malaise flatulence weight loss, most outbreaks are transmitted via contaminated water
Amebiasis
Is a sever dysentery, feces contain blood and mucus, contaminated by cysts of the protzoan entamoeba histolytica
Trichomoniasis
Is a co infection with gonorrhea, symptoms are frothy greenish-yellow discharge and foul odor, is most common pathogenic protozoan in industrialized countries
Worms and Lice
May not cause diseases but are not beneficial to humans
Helminth
Disease also referred to as worms
Three Basic Groups of Worms
Nematodes, Cestodes, Trematodes
Nematodes
Pinworms, roundworms, hookworms, and whipworms
Roundworms
Infest the upper intestinal region, in severe cases can cause anemia and growth retardation
Pinworms
Infest the lower intestinal reion and colon, often seen exiting the anus, are highly communicable
Cestodes
Tapeworms
Tapeworms
Symptoms usually asymptomatic but can include anemia weight loss malabsorption of nutrients, can travel to extra intestinal sites such as liver muscle eyes or CNS, eggs or worm segments found in patients stool
Trematodes
Flatworms or flukes(develop in freshwater snails)
Flatworms
Symptoms are urinary disturbances dysentery or liver cirrhosis, common sign is evidence of worms from a liver biopsy, one species is the major cause of acquired epilepsy
Scabies
Burrow into the skin which is red-brownish in color, symptoms are intense itching which worsens at night after bathing, is caused by a mite
Pediculosis
Lice
Pediculosis humanus corpis/humanus
Body lice
Pediculosis humanus capitis
Head lice
Pediculosis pubis
Pubic lice also called crabs
Lice
Live off the blood of the host, cause intense itching and scratching, frequently found in areas with crowded living conditions