BLOGGER TEMPLATES AND TWITTER BACKGROUNDS

Saturday, April 10, 2010

helminths(cacing)


Helminths:
  • Derived from Greek meaning worm.
  • Helminths are higher, multicellular forms of parasite with specialized organs.(Baumann, 2007)
  • Can be found throughout natural world.
Cestodes - Tapeworms
  • Cestodes are members of Phylum Platyhelminthes.
  • Commonly called tape worms.
  • Cestodes are flat, segmented, intestinal parasites that completely lack digestive systems.
  • Always reside in the gut of definitive host (human).
  • Adult worms obtain nourishment from semi digested food of the host.
  • Some tapeworms produce proglottids large enough to be obviously visible in stools.
  • Length of tapeworms = 3 to 10 meter.

common terminologies

ANTISEPTIC: chemical agent that kills or inhibits microbial growth on the skin/tissue but is not harmful to human skin.
Antifungal agents:

  • Agents that kill or inhibit the growth and reproduction of fungus.
  • Example: Diflucan (Fluconazole).
ASEPSIS: free from pathogens or absent of the microorganism.

ANTITOXIN:
  • Antibodies formed by the host to protect against toxins and neutralizing the toxin.
  • Example: Antitetanus Toxoid (ATT)