copy of bacterias

8/10/2019 Copy of Bacterias

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No. ParasiteDefinitive

HostIntermediate

HostInfective form

Souece/Modeof Infection

Site Morphology Diseases Clinical features

1 Entamoeba Histolytica Human - Mature cystContaminated

foodColon

Tropozoite,Precyst, Cyst

AmoibiasisIntestinal- blood+mucs in stool, foul smelling+ brown-black stool, vague abd sympt;

Hepatic- pain+tender r8 hypochondrium, shoulder pain, fever with chills, weight loss;pulmonary, cutaneous, cerebral etc

2 Giardia Lambdia Human - Mature cystContaminated

foodDuodenum Tropozoite, Cyst Giardiasis

Abs of fats, fats soluble vitamins & haematinic factors; Explosive watery stools; Abd pain;Nausea Vomit; Steatorrhoea; Malnutrition; Severe Flactulene; weight loss; Anaemia; fever;

Acute colitis, Acute enterocolitis

3 Trichomonas Vaginalis Human - Tropozoite Sexual contact Vagina Tropozoite VaginalisVaginities; burning and itching; frothy, of fensive, yellow, vaginal discharging, dysuria,

urinary disturbance,, dyspareunia

4 Leishmania Donovani Human Sand fly Promastigoite Infected vector RE systemPromastigoite,

AmastigoiteKala azar/Viseral

Leishmaniasis

Fever, Splenomegaly, Hepatomegaly, Emacciation, anaemia, dry rough dark skin(kala azar),Jaundice, Epistasis, bleeding gums. Post-kala azar leishmaniasis- Depigmented macules,

Erythematous patches, Granulomatous nodules

5 Trypanosoma Bruzi Human Tsete flyMetacyclic stage of

trypomastigote

Infected IM

host

Coonectivetissue=>lymph

node=>Blood=>brain

Trypomastigoite,

Amastigoite

AfricanTeypanosomasis/Sleeping Sickness

Fever, Headache, Mental dullness, sleepiness, weight loss, Lymph node enlargement,

erythromatous rash, meningoencephalitis

6 Trypanosoma Cruzi Human Reduvid bug TrypomastigoteInfected IM

hostMuscle, nerve,

RE systemTrypomastigoite,

Amastigoite

South AmericanTeypanosomasis/Chaga's Diseases

Chagoma, Romana's sign, Acute- fever, conjunctiva, unilateral oedema of face, lymph nodeenlargement, anaemia, lymphocytosis. Chronic- Heart block, spastic paralysis, psychical

changes. Complications- mega colon, mega oesophagus, mega-uretus

7Diphyllobothrium Latum

(fishworm)Human Cyclops, fish Pleocercoid

Infected IMhost

Small intestine

Egg, larva-(Coracidium,Procercoid,

Pleocercoid), Adult

DiphyllobothriosisGi sympt- abd pain, vomit, diarrhea, intestinal obstruction; Cholecystitis, Cholengitis,

weight loss, weakness, dizziness, numbness in fingers toes, pernicious anaemia(bothriocephalus anaemia )

8Taenia Saginata

(beefworm)Human Cow, buffallo Cysticerci

Infected IMhost

Small intestineEgg, larva-

Cysticerci, AdultInternal Taeniasis Abd pain, chronic ingestion, anaemia

9Taenia Solium(porkworm)

Human pig Cysticerci Infected beef Small intestineEgg, larva-

Cysticerci, AdultInternal Taeniasis +

CysticercosisAbd pain, chronic ingestion, anaemia, Cysticercosis

10Echinococcus

Granulosus (smalltapeworm)

DogSheep, cattle,

humaneggs Infected pork lung , liver, other

Adult, Egg, Larva-Hydatid cyst

Unilocular Hydatid cyst -

11Hymenolepsis Nana(dwarf tapeworm)

Human - eggsContaminated

food,

autoinfection

Small intestineEgg, larva-

Cysticerci, AdultHymenolepiasis/Hymenolipidosis

-

12Ascaris Lumbricoides (

roundworm)Human -

embryonated eggs(Rhabditiform larvae)

Contaminatedfood

Small intestine

Egg- fertilized,decorticated,

unfertilized, Larva,Adult

Ascariasis/ AscariasisPneumonia (Loffler's

syndrome)

13Ancylostoma duodenale

(hookworm)Human - Filariform Larvae

Contaminatedsoil, skin

penetrationSmall intestine Egg, Larva, Adult Ancycloston

14Trichuris Trichiura

(whipworm)Human -

embryonated eggs(Rhabditiform larvae)

Contaminatedfood

Caecum,vermiform

appendix

Egg, Larva, Adult Trichuriasis

15Enterobius Vermicularis

(pin, threadworm)Human - Mature eggs

Contaminatedfood,

autoinfection

Caecum,vermiformappendix

Egg, Adult Enterobiasis

16Stronglyloides

stercolarisHuman - Filariform Larvae

Contaminatedsoil, skin

penetrationSmall intestine Egg, Larva, Adult Strorngyloidiasis


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17 PlasmodiumFemale

Anaphalinemosquito

Human(asexualphase)

Sporozoites mosquito bite Liver, RBC, blood

Sporozoite, Pre-erythroschizont,Erythroschizont,

Tropozoite,Schizont,

Gamatocyte

Malaia + Black waterfever

Fever with chills, anaemia, splenomegaly, Febrile paroxysms. Cerebral- hyperpyrexia,convulsion, coma, paralysis. Algid- cold,clammy skin, peripheral circulation failure,

hypotension, gi sympt. Septicemia- high grade fever, bilious remittent fever, pneumonia,cardiac symptoms

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