Download - Flashcards Protozoa 1.pptx
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