PROTOZOAFlashcards

Rodlike structure giving rigidity which is located at the middle

portion

AXOSTYLE

1. Basal origin of the flagella supporting the undulating membrane

in blood flagellates

BLEPHAROPLAST

2. DNA containing portion of the

protozoan nucleus

CHROMATIN

3. DNA containing portion of the

protozoan nucleus

CHROMATIN

4. DNA containing portion of the

protozoan nucleus

CHROMATIN

5. Condensed RNA in cytoplasm of certain

amoeba cyst

CHROMATOID BAR/BODY

6. Rodlike structure running along the

undulating membrane of some flagellates

COSTA

7. Immotile StageProtected by resistant

cyst wallInfective Stage

CYST

8. Cell mouth

CYSTOSOME

9. Gelatinous cytoplasmic material

beneath the cell membrane

ECTOPLASM

10. Small mass of chromatin

“Karyosome”

ENDOSOME

11. Troph to Cyst

ENCSYTATION

12. Cyst to Troph

EXCYSTATION

13. 3 parts that acts in locomotion

FLAGELLACILIA

PSEUDOPOD

14. Tail like extensionWhiplike

FLAGELLA

15. Rod/disc shaped/spherical extranuclear DNA

KINETOPLAST

16. Protoplasmic extension of

trophozoites of amoeba allowing movement and

food engulfment

PSEUDOPOD

17. Flagellar rimFin like

At the outer edge of protozoa

UNDULATING MEMBRANE

18. Nutrition is through?

- ABSORPTION OF LIQUID- INGESTION OF SOLID

- OR BOTH

19. Excretion:Maintains osmotic

pressure and elimination of waste products

CONTRACTILE VACOULES

20. Reproduction:Asexual is either ____

or ____ ?

AMITOTIC OR MITOTIC

- “simple cleavage”

21. Asexual Division and occurrence in what

parasite- Longitudinal?- Transverse?

L: AMOEBA & FLAGELLATES

T: CILIATE

22. 2 Functions of contractile vacuoles

MAINTAINANCE OF OSMOTIC PRESSURE

AND ELIMINATION OF WASTES

23. Sexual/Syngamy:Plasmodium species’ cells are termed as?

GAMETOCYTES

24. 3 Basic Structures

NUCLEUSCYTOPLASM/ENDOPLASM

ECTOPLASM

25. Genetic transfer and division

NUCLEUS

26. Storage, synthesis and digestion of food

CYTOPLASM/ENDOPLASM

27. Semi permeable membrane to allow the

entrance and exit of food and for secretion of

substances

PLASMA MEMBRANE

28. Basic structure for locomotion, respiration

and discharge of metabolic wastes

ECTOPLASM

29. Superclass exhibiting fingerlike

projections/pseudopod

SARCODINA

30. Superclass exhibiting (flagellum)

hairlike extensions that propels

MASTIGOPHORA

31. Superclass exhibiting shorter hairlike

extensions that propels

CILIATA

32. Cell anus

CYTOPYGE

33. Amoeba (Sp: Sarcodina; c: Rhizopodea)

4 morphology characteristics

- Small- No contractile vacuoles- Binary division- Undergo encystations except E. gingivalis

34. E. histolytica was discovered by?

When?

SCHAUDINN, 1903

35. It can invade the tissues like?

LIVERLUNGSBRAIN

36. Synonyms?

- Endamoeba histolytica- Amoeba/Entamoeba dysenteriae- Endamoeba dysenteriae; Entamoeba tetragena

37. Habitat of E. histolytica

LARGE INTESTINES

38. Stages of Development of E.

histolytica

TROPHOZOITEPRECYSTIC

CYSTIC

39. Stage- Ingests RBCs- No bacteria/ foreign

mat.- Clear Cytoplasm

TROPHOZOITE

40. “Bull’s Eye”

KARYOSOME

41. Transitional Stage- Colorless- Smaller than troph- Bigger than cyst- Sluggish movement with no

progressive movement- Devoid of food inclusion

PRECYSTIC

42.- Spherical- Cyst wall- Chromatoidal bodies- Anaerobic- Thermal death pt. at?- Optimum growth at temp and pH

of?

CYST

43. Infective stage of E. histolytica

QUADRINUCLEATED CYST

TROPHOZOITES CYSTS

SIZE 15 - 12 microns12 - 60 u

3 – 10 microns10 – 16 u

PSEUDOPODIA FingerlikeRapidly extruded ABSENT

MOTILITYActiveProgressiveUnidirectional

Non-motile

SHAPE; CYTOPLASM

- No definite Shape- Ectoplasms: clear, thick, wide- Endoplasm: finely granulated, RBCs, no bacteria- Karyosome: central in nucleus

- Spherical with cyst wall- Mature – 4 nuclei- Immature – 1-2 nuclei

TROPHOZOITES CYSTS

Unstained- Motile/rounded/oblong- Nucleus not visible- RBC visible

- Nuclei not visible- Chromatoid bar refractile - Glycogen refractile in young

cysts

Iodine Stained Nucleus visible- Nucleus visible- Chromatoid bar seldom seen- Glycogen balls in young cysts

Chromatoid matter ABSENT - Rods with rounded ends

(cigar/sauage)

Others

- Thermal death pt. @ 50 deg. Celsius

- Resistant to urine- Grow best at anaerobic

condition- Optimum growth at 37 deg.

Celsius

44. Incubation Period

4-5 DAYS AFTER ACCIDENTAL INGESTION

Identify ifBACILLARY DYSENTERY

OR AMEBIC DYSENTERY

Epidemic

No vomiting

Acute

Patient prostate

Mild abdominal cramps

Odorless stool

Uncommon Tenesmus

Fishy Odor

Bloody Diarrhea

Watery, bloody diarrhea

Common vomiting

Gradual Onset

Seldom Epimedic

Prodromal Fever and malaise

common

Common and severe abdominal

cramps

Common tenesmus

Numerous bacilli, red cells, pus cells,

macrophages

Presence of Charcot Leyden Crystals

Red cells, few bacilli

Troph with ingested RBC

No Charcot Leyden Crystals

Spontaneous Recovery in few days, weeks or

more

Lasts for weeks

No relapse

Dysentery returns after remission

Infection persists for years

Patient usually ambulant

No Prodromal features