LEC 2_Flagellates

• What are the different phyla in the Kingdom Protista?


  • Sarcomastigophora
  • Apicomplexa
  • Ciliophora
  • Microsporida
• What are the symptoms and manifestations of trichomoniasis in males?


  In males, trichomoniasis may be latent and essentially symptomless (asymptomatic), or it can cause persistent irritation, recurring urethritis, and even prostatitis. Treatment of sexual partners is necessary to prevent reinfection.
• What are some diagnostic stages of Giardia lamblia?


  The diagnostic stages of Giardia lamblia include the trophozoite stage and the cystic stage. The trophozoite stage is the active form, while the cystic stage is the dormant form that allows for transmission
• What is the infective dose of Giardia lamblia?


  The infective dose of Giardia lamblia is as few as 10 cysts.
• What is the shape and size of the cyst stage of Chilomastix mesnili?


  Lemon-shaped or ovoid with a nipple-like protuberance. It ranges in size from 6 to 10 μm.
• What is the cyst stage of Dientamoeba fragilis?


  No cyst stage has been identified.
• Blepharoplast


  The nucleation site and the base of the flagella.
• Motilation sites of flagella


  Blepharoplast & Parabasal body
• Parabasal body


  Responsible for glycosylation and packaging of proteins
• How do flagellates reproduce?

  Longitudinal binary fission, where they divide into two daughter flagellates through a longitudinal furrow.