Define the following terms: Medical parasitology, Parasite, Ectoparasite, Definitive host, Intermediate host. Name two lab diagnostic methods for parasites in stool/blood and one flagellate each in in

Here are the definitions and answers to your questions:

16) Define following terms

• i. Medical parasitology: The branch of science concerned with parasites that infect humans, the diseases they cause, and the clinical response to these infections, including diagnosis, treatment, and prevention.
• ii. Parasite: An organism that lives on or in a host organism and gets its food from or at the expense of its host.
• iii. Ectoparasite: A parasite that lives on the exterior of its host, such as fleas, ticks, or lice.
• iv. Definitive host: The host in which the parasite reaches sexual maturity and reproduces.
• v. Intermediate host: The host in which the parasite undergoes larval development or asexual reproduction, but does not reach sexual maturity.

17) Name the two types of laboratory diagnosis used in the stool and blood examination of parasite

The two main types of laboratory diagnosis used are:

• Microscopic examination (e.g., direct wet mount, concentration techniques, stained smears for stool; thick and thin blood smears for blood).
• Immunodiagnostic methods (e.g., antigen detection tests, antibody detection tests).

18) Name one flagellate found in the intestinal tract and one flagellate found in the urogenital tract

• Intestinal tract flagellate: Giardia lamblia
• Urogenital tract flagellate: Trichomonas vaginalis

19) Mention two types of blood flagellate parasite of medical importance?

Two types of blood flagellate parasites of medical importance are:

• Trypanosoma brucei (causes African Trypanosomiasis or sleeping sickness)
• Trypanosoma cruzi (causes American Trypanosomiasis or Chagas disease)