L4: Cilliaes, Coccidia and Microsporan

Question 1

Give the phylogeny of Balantidium coli

Answer 1

Phylum Ciliophora

Class Litostomatea

Question 2

This is the only cilliate of man

Answer 2

Balantidium coli

Question 3

Describe the stucture of B.coli trophozoite

Answer 3

Round 
Has two nuclei 
 - macronucleus- somatic/asexual reproduction 
- micronucleus- sexual reproduction 
Has a cystostome (mouth)
It's cell membrane is lined with cilia 
80 microns 
Contractile vacuoles for osmoregulation

Question 4

Describe the stucture of B.coli cyst

Answer 4

Micronucleus within macronucleus
Has a cyst wall
Rounder