b,coli

Question 2

Largest protozoan parasite affecting man

Answer 2

BALANTIDIUM COLI

Question 3

Ciliated organism

Answer 3

BALANTIDIUM COLI

Question 4

Common in ciliate but rare in protozoan parasite

Answer 4

BALANTIDIUM COLi

Question 5

It has a unique osmoregulatory capacity
○ There is a difference between the osmotic pressure
of hemolymph and and the external medium in a
given salinity

Answer 5

BALANTIDIUM COLI

Question 7

It is capable of attacking the intestinal epithelium

Answer 7

BALANTIDIUM COLI

Question 8

Ulceration- dysentery

Answer 8

BALANTIDIUM COLI

Question 9

TROPHOZOITE
● Unstained: grayish-green
● With cytostome which is responsible for the acquisition of food

Answer 9

BALANTIDIUM COLI

Question 10

● Associated with pigs

Answer 10

BALANTIDIUM COLI

Question 11

responsible for the excretion of wastes

Answer 11

Cytophage- b.coli

Question 12

Macronucleus that is winged shape and micronucleus

Answer 12

B.coli

Question 13

B.coli movement

Answer 13

rotary

Question 14

B.coli reproduction

Answer 14

Transverse binary fission

Question 15

B.coli: Opening at the pointed anterior end
which leads to the cytostome or cell mouth

Answer 15

Peristome

Question 16

Macronucleus is long and kidney-shaped

Answer 16

b.coli

Question 17

Spherical micronucleus is nestled next to it (although in this
illustration, it is not that clearly seen)

Answer 17

B.coli

Question 18

is the infective stage of B. coli

Answer 18

cyst

Question 19

The cyst are round and have a tough heavy cyst
wall made of 1 or 2 layers usually only the
macronucleus and perhaps __ and ___are visible in the cyst

Answer 19

the cilia and the
contractile vacuoles

Question 20

s the only pathogenic ciliate and is the largest
protozoan

Answer 20

Balantidium coli

Question 21

are the stage responsible for transmission of
balantidiasis

Answer 21

Cysts

Question 22

MOT b.coli

Answer 22

ingestion of cyst

Question 23

PATHOGENESIS:
 Tissue invasion
 Ulcer: rounded base and wide neck
 Ulceration is due to hyaluronidase
 Trophozoites: usually seen in the exudates or the base of
ulcers
 Asymptomatic

Answer 23

B.coli

Question 24

Amebic Dysentery Causative agent

Answer 24

Entamoeba histolytica

Question 26

Balantidial dysentery Causative agent

Answer 26

Balantidium Coli

Question 27

Balantidial dysentery Disease

Answer 27

Balantidiasis

Question 28

Amebic Dysentery vDisease

Answer 28

Amoebiasis

Question 29

BALANTIDIAL DYSENTERY
 Acute:

Answer 29

: 6-15 episodes of diarrhea/day

Question 30

an infective disease of the large bowels which is
characterized by frequent passing of blood in mucus which
stood along with several abdominal cramps.

Answer 30

Dysentery:

Question 31

BALANTIDIAL DYSENTERY diarrhea alternating with constipation

Answer 31

Chronic:

Question 32

diagnosis of dysentery

Answer 32

 DFS or concentration techniques
o Trophozoites and cysts stages are seen
 Rectal biopsy
 Culture method (Barnet and Yarbrough’s medium, Balamuth’s
medium)