مخطط المقرر

Course portfilo

 

Science College
 

Bilogical Science Dep.
 

Course name: Parasitology

Course code and number: Bio 451

The second semester 1431 H.

Date: 5/3/1431 H corresponding 19/2/2010
 

Course plan

Course Instructor

Instructor name: Prof. Najia A. Al- zanbagi

place and number of the building and the Office: Office,  97 A ,  Tel. : 63823

e-mail: nalzanbagi@kau.edu.sa

Office hours: Sunday & Tuesday (11-1), Wed. (10-12)

Course Information:

Course name and code: Parasitology Bio 451

Lectures time and place:

The course will be held on a Sunday/ Tuesday schedule from 10-11 a.m. in room B78 of Science College, building (7)

Laboratory lessons will be held on Tuesdays from 11-2 in lab 64 in building (7), the teacher lab is Noha T. Zelai

Course on line: at www.kau.edu.sa/nalzanbagi

Pre-requisite and skills required:

The pre- requisite is Bio 251, Bio 351 and Bio 352. Students are responsible for informing themselves about those standards before performing any academic work. Attendance will be taken each class, and students may not miss more than three classes. The course syllabus is a general plan for the course, deviations announced to the class by the instructor may be necessary.

Course description:

The first part of this course will briefly introduce basic concepts and terminology to discuss parasites, vectors, and the (human) host and their relationship to each other. We will then explore a number of important diseases and the very diverse set of helminthes and protozoa causing them. We will highlight critical aspects of the biology of parasitism and parasitic disease as we go along. The lectures aim to span the entire field ranging from the biology of the parasite to the implementation of control programs in the field.

Course Purpose:

Students will learn principles of parasitism and many aspects of parasite biology using parasites of humans as models. Parasites causing human diseases will be studied, with emphasis on their occurrence, transmission, reservoirs and methods of control. When appropriate, animal parasites, especially those of domestic animals, will also be included.

Course Objectives:

I- Introduction to Parasitology:

By the end of Parasitology course, the student should be able to:

1.     Know the general taxonomy of the parasites.

2.     Definitions of parasitism, hosts, types of parasites, types of hosts.

3.     Sources of infections and portals of entry.

4.  Diagnostic methods of different parasites.

II- Protozoa:

By the end of the Parasitology course, the student should be able to know the Taxonomy, Habitat, Morphology, Life cycle, Pathogenicity, Diagnosis and Control of some of Protozoan parasites of medical importance. 

III- Helminthes:

By the end of parasitology course, the student should be able to know the Taxonomy, Habitat, Morphology, Life cycle, Pathogenicity, Diagnosis and Control of:

1.     Trematodes of medical importance.

2.     Cestodes of medical importance.

3.     Nematodes of medical importance.

IV- Host Parasites Relationships:

By the end of the parasitology course, the student should be able to know the Pathogenecity degree, Parasitism Mutations, Factors presence of parasites at their hosts, Parasites reproduction in their hosts, Parasites transmission, Parasites diagnosis, Parasites control.

Course Teaching / Learning methods:

To achieve the objectives, the Parasitology course is divided into the following activities:

A)   Teaching:

1.     Lectures: two lectures (one hour each) per week throughout the academic semester.

2.     Practical class: one per week (three hours each) per week throughout the academic

        semester.

B) The lecture class includes the following teaching activities:

  Small group discussion

  Solving problems

  learning activities

B) The practical class includes the following teaching activities:

  Demonstration

  Small group discussion

  Thinking skills

  Solving problems

  learning activities

  Educational exhibition

Course Syllabus:

The syllabus of Parasitology for undergraduate students falls under the following headings: 

1.     Knowledge

2.     Attitude

3.     Practical & Diagnostic Procedures

Curriculum Contents:

1.    Students Knowledge
       Introduction to Parasitology:
  - General taxonomy of parasites of medical importance

  - Types of parasites and types of hosts

  - Categories of association between two different species of living animals

  - Sources of infection and portals of entry

  - Different diagnostic methods
       Protozoa
Taxonomy, Habitat, Morphology, Life cycle, Pathogenicity, Diagnosis and Control of the following protozoa:
   - The Amoebae: (Entamoeba histolytica, E. coli, E. gingivalis, Endolimax nana, Iodamoeba butchelii & free living Amoebae such as Acanthamoeba & Naegelaria)
   - The Intestinal & urogenital flagellates: (Giardia lamblia, Trichomonas vaginalis & Trichomonas intestinalis).
   -  The blood flagellates: (Leishmania spp. & Trypanosoma spp.).
   -  The Sporozoa: (Toxoplasma gondii, Malaria parasites).

   -  The Ciliates:  (Balantidium coli). 
       Helminthes:
  Taxonomy, Habitat, Morphology, Life cycle, Pathogenicity, Diagnosis and Control of Trematodes, Cestodes and Nematodes of medical importance such as:
  Trematodes:
   -  Liver flukes: Fasciola gigantica & Fasciola hepatica
   -  Intestinal flukes: Heterophyes heterophyes
   -  Lung flukes: Paragonimus westermani
   -  Blood flukes: Schistosoma haematobium, Schistosoma mansoni &
      Schistosoma japonicum.
  Cestodes:
   -  Intestinal Cestodes: Diphylobothrium latum, Taenia saginata, Taenia
      solium, Echinococcus granulosus, Hymenolepis nana & Dipylidum
      caninum.
   - Tissue or somatic Cestodes causing Cysticercosis (Taenia solium),
     Hydatidosis (Echinococcus granulosus) & Sparganosis (Diphylobothrium
     mansoni).
  Nematodes:
   -  Intestinal nematodes: Trichocephalus trichiura, Trichinella spiralis.
      Ascaris lumbricoides, Entrobius vermicularis, Ancylostoma duodenale &
     Strongyloides stercoralis
   - Tissue nematodes: Wuchereria bancrofti & Dracunculus medinensis.
   - Nematodes causing Larva Migrans (Ascaris lumbricoides).
         Host Parasite relationships:

          -  Pathogenecity degree

          - Parasitism Mutations

          - Parasitism infection

          - Parasites habitat

          - Factors presence of parasites at their hosts

          - Parasites reproduction in their hosts

          - Parasites transmission

          - Parasites diagnosis

          - Parasites control

 2.    Students Attitude

         Towards the laboratory equipments to maintain cleanliness and
           working efficiently

         Towards the infectious material by wearing a protective gloves and
           masks.

         Towards colleagues and staff in order to keep the partnership and
           cooperation

         Towards community by teaching the necessary awareness through
           the tutorial educational exhibition  

         Towards themselves in order to increase their confident and collect
           information and analysis the results

Required Textbooks/Laboratory Manuals:

1. Required Text:

 * Parasitology binding material prepared by the subject professor
   according to the modern references.

* Laboratory binding material prepared by the lab teacher according to the
   modern references.

2. Essential References

* Markell, E. K. ; John, D. T. & Krotoski, W. A.(1999). Markell and Voges Medical Parasitology, Eighth edition, W.B. Saunders Company, Unites state of America.

* Cox, F. E. G. (1993). Modern Parasitology, A textbook of Parasitology, second edition, Blackwell Science Ltd, United Kingdom.

Schedule of Practical Course of Parasitology 2009-2010

Protozoa

  Entamoeba histolytica Trophozoite, cyst

  Entamoeba coli Trophozoite, cyst

  Entamoeba gingivalis Trophozoite

  Iodamoeba butchelii Trophozoite, cyst

  Endolimax nana Trophozoite, cyst

  Giardia intestinalis Trophozoite, cyst

  Trichomonas vaginalis Trophozoite

            Leishmania donovani smear Promastigote form of Leishmania in
              culture

             Trypanosoma brucei gambiense in blood film

  Trypanosoma brucei rhodesiense in blood film

  Trypanosoma cruzi in blood film

            Plasmodium vivax Ring, trophozoite, schizont & gametocyte

  Plasmodium falciparum Ring, gametocyte & Cerebral malaria

         Toxoplasma gondii

              Balantidium coli

              Staining techniques

             Blood staining for protozoans, Sporozoa

Helminths

 Fasciola gigantica Adult, egg, redia, cercaria, metacercaria, snail & adults in jar

Fasciola hepatica Adult & adult in jar

 Heterophyes heterophyes Adult, egg, cercaria, metacercaria in fish & snail

 Paragonimus westermani egg

 Schistosoma haematobium In copula, Adults, egg, miracidium, cercaria & snail

Schistosoma mansoni Adults, egg & snail

Schistosoma japonicum Adults, egg

Diphylobothrium latum Scolex, segment & egg

Taenia saginata Scolex, egg, mature segment, gravid segment & adults in jar

Taenia solium Scolex & gravid segment & Cysticercus cellulosae

 Echinococcus granulosus Adult, hydatid sand & section in hydatid cyst

Hymenolepis nana Adult & egg

Dipylidum caninum Scolex, mature segment, gravid segment & egg capsule

Trichocephalus trichiura Adults, egg & T.S in appendix

 Trichinella spiralis Adults, larvae in muscles

 Ascaris lumbricoides Egg, larva in lung & Adults in jar

Entrobius vermicularis Adults, egg & T.S in appendix

 Strongyloides stercoralis Adults & larvae

Ancylostoma duodenale Buccal capsule, egg, posterior end & larvae

Wuchereria bancrofti microfilariae in blood film

Course Evaluation:

Three lecture examinations and one comprehensive final examination will make up 70% of the final course grade, laboratory scores will make up 20%, and the remaining 10% is for the extra activity such as the educational exhibition. In lab there will be two practical examinations, the mid-term exam and the final exam. Final letter grades will be assigned according to the traditional grading scale: A+ (95-100%), A (90-94%), B+ (85-89%), B (80-84%), C+ (75-79%),  C (70-74%), D+ (65-69%), D (60-64%) and F (below 59%).

The total marks for evaluation are 100 marks.

1.     On going assessment of learning (25 marks). Two assessments, 12.5 marks each in the form of short questions.

2.     On going assessment of laboratory learning (20 marks). Two assessments, 10 marks each in the form of short laboratory questions.

3.     Midterm examination (20 marks)

4.     Evaluation the educational exhibition (10 marks)

5.     Final exam of semester (25 marks)

Time designed for Parasitology Curriculum