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Faculty of Science
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Biological Sciences
Box 536, 20115 Egerton

I am a Lecturer at Egerton University, Department of Biological Sciences. I am actively involved in teaching both undergraduate and postgraduate students. I am also involved in research work and in supervising postgraduate students. My field of specialization is Animal Physiology with main interest in cardio- and neuro-physiology.

  • 2010-2014; Ph.D (Animal Physiology), University of Eldoret
  • 1990-1993; M.Phil (Animal Physiology), Moi University
  • 1987-1990; B.Sc (Zoology), Moi University; Upper Second Class Honours
  • 1984-1985; KACE, Meru School, 3 Principals (MCB), 1 Subsidiary (GP)
  • 1980-1983; KCE, Kangema High School, Div 2, 24 Points
  • 1972-1979: CPE, Mbiri Primary School, 3 A’s (36 Points)
  • Animal Physiology
    • Cardiophysiology
    • Neurophysiology

Diploma in Pharmacy Technician

  • March 2005 – Present: Lecturer, Dept. of Biological Sciences, Egerton University, Njoro.
  • August – Dec 2007: Part time Lecturer, Dept, of Biological Sciences, Masinde Muliro University of Science and Technology.
  • June 1994-March 2005: Assistant Lecturer, Dept. of Zoology, Egerton University, Njoro.
  • July-August 1989: Supervisor, Kenya Population Census.
  • Sept-Dec. 1989: Teacher; taught Maths & Biology at Maragi Secondary School.
  • 1986-Feb.1987: Teacher; taught Maths & Biology at Matuto Secondary School, and Head of Biological Sciences Dept.

Histopathological effects of infections/diseases on body organs (heart, brain, liver, kidneys, gonads).

  1. Mziray, A.M., Maina, C.I., Kaingu, C.K. (2020). Anti-fertility properties of Cissus rotundifolia (Forssk.) Vahl. Extract using female Wistar rats. Discovery Phytomedicine 7(2): 58-64. 
  2. Kinyua, E.W., Maina, C.I., Kaingu, C.K., and Wafula, D.K. (2020). Evaluation of oxytocin like effects of Uvariodendron kirkii (verdec.) extracts on isolated uterine strips of wistar rats. TANG (Humanitas Medicine)10(1);1-8. doi:
  3. Katana, L.K., Maina, C.I., Orenge, C.O. (2020). Aphrodisiac Activity of Pomegranate (Punica granatum ) fruit extract on the sexual function in rats. Discovery Phytomedicine 7(2): 65-71.
  4. Kiplagat, A.J., Maina, C.I., and Bett, P.K. (2020). Chemical composition of oils of Azadirachta indica Juss and Ricinus communis Linn seed in Marigat, Baringo County, Kenya. East African Journal of Science, Technology and Innovation 1(2);1-11.
  5. Katana, K., Maina, C.I., Orenge, C.O., Kirui, C.K., Muriuki, B.G., and Waithaka, P.N. (2019). Effectiveness of Pomegranate (Punica Granatum L.) Fruit Extract on the Sexual Function in Rats. J Microb Biochem Technol. 11:424.
  6. Maina, C.I. (2017). Plasma ACTH concentration and pituitary gland histopathology in rats infected with Trypanosoma brucei brucei. African Health Sciences.17(4): 1029-1034. DOI:
  7. Maina, C.I., and Ng’wena, G.M. (2017). Lateral geniculate nucleus histopathology in the rat experimental model of African Trypanosomosis. J. Cln. Exper. Microbiol. (AJCEM ) 18 (2): 115- 119. DOI:
  8. Maina C. I., Ng’wena G. M., Mwaniki D. M., and Oucho A. O. (2013). Histopathological effects of Trypanosoma brucei brucei infection on the master circadian rhythm pacemaker in rats. Egerton J. Sci. & Technol. Volume 13: 95-114. ISSN: 2073 - 8277.
  9. Maina C.I., Kimani S.M., and Ouma A. (2010). Lowering of systolic blood pressure and regression of left ventricular hypertrophy by methyldopa in hypertensive rats. J-STEM; 3(1):8-15.
  10. Maina C.I., and Warugu H.W. (2006). The effect of oral captopril treatment on cardiac hypertrophy in the rat. JAGST 8(2);1-11.
  11. Maina C.I., and Ogunde M. (2005). Reversal of left ventricular hypertrophy by propranolol in hypertensive rats. African Health Sciences 5(1):27-30.
    • Maina C. I., Ng’wena G. M., Mwaniki D. M., and Oucho A. O. Histopathological effects of Trypanosoma brucei brucei infection on the master circadian rhythm pacemaker in rats. Proceedings of the 7th Annual Research Week and International Conference. 26th – 28th September 2012. ARC, Egerton University, Kenya.
    • Maina, C. I. and Warugu, H. W. Regression of Left Ventricular Hypertrophy by Methyldopa in Hypertensive Rats. Proceedings of the 4th Annual Research Week and International Conference. 15th–17th September 2009. ARC, Egerton University, Kenya.
    • Maina C.I., and Ogunde M. Effect of Propranolol (Inderal®) on ventricular hypertrophy in hypertensive albino rats. Proceedings of the 2nd International Conference; Science and Socio-Economics for Susteinable Development; Challenges and Opportunities in the 21st 28th August – 2nd September 2006, Moi University, Eldoret, Kenya.
  • Others
  • 11th -12th March 2021; 5th Bioethics Society of Kenya Conference (held virtually)
  • 25th-26th November 2015; Workshop on Alternatives to the Use of Animals in Research and Education, held at ARC Hotel, Egerton.
  • 4th -6th February 2014; Research Proposal Writing and Data Management Workshop. CMRT, Egerton University, Njoro
  • 19/3/2013; Corruption Prevention Sensitization Workshop, Egerton University
  • 3-7th June 2013; Training workshop on E-Learning; Developing and publishing digital and training teaching materials
  • 14/5/2009; In-house ICT Awareness Workshop, Egerton University
  • 12th – 22nd Nov 2007: Training workshop on the Development of Distance Learning Materials, Egerton University, Njoro
  • 27th -28th February 2007; HIV/AIDS Curriculum Review Workshop. Theme; Mainstreaming HIV/AIDS into Science and Engineering Curricula in the University. ARC Hotel, Egerton University
  • 05/02/05: Workshop on 'Bioinformatics, Information Networks and Biological Databases’. Held at ARC hotel, Egerton University
  • 10/09/04: 'Information and Communication Technology (ICT) Sensitization Seminar' organized by Project Discovery, Kenya.
  • 14th-16th 2002: AWSE/SENCER training workshop on Civic Engagement Strategies for HIV/AIDS Education held at Egerton University and facilitated by the Centre for Women Studies & Gender Analysis in conjunction with the American Association of Universities and Colleges and the African Women in Science and Engineering.
  • 6th-20th February 1999: Unesco-Icro International Training Workshop on Cell &  Molecular Biology of early development: Mombasa, Kenya.
  • June 2014; Best Lecturer of the Year Award, Egerton University (2013/2014 Academic Year)
  • September 2012; Best Paper Presentation Award (Egerton University 7th International Research Conference)
  • September 1990; Moi University Postgraduate Scholarship


  • Human Anatomy and Physiology
  • Vertebrate Anatomy and Physiology
  • Vertebrate Zoology
  • Cell Biology
  • Histology
  • Animal Physiology
  • Developmental Biology
  • Comparative Animal Physiology
  • Endocrinology
  • Biology of HIV/AIDS and Society


  • Body fluids
  • Cardiovascular Physiology
  • Respiratory Physiology
  • Neurophysiology
  • Reproductive Physiology
  • Integumentary Physiology
  • Digestion and Nutrition
  • Muscle Physiology
  • Endocrinology
  1. Kinyua Esther Wairimu (SM21/20010/16). Thesis Title; Evaluation of contractile effects of Uvariodendron kirkii (verdec.) extracts on isolated uterine strips of female Wistar rats. Graduated on 18/6/2021.
  2. Mziray Anita Mary (SM21/11731/16. Thesis Title; Evaluation of the anti-fertility properties of Cissus rotundifolia (Forssk.) vahl. extract in female Wistar rats (rattus norvegicus). Graduated on 18/6/2021.
  3. Kiplagat Ann Jepkemoi (SM21/14431/15). Thesis Title; Reproductive inhibition effects of Azadirachta indica (A. Juss) and Ricinus communis (Linn.) seed oils in albino female mice. Graduated on 28/7/2020.
  4. Katana Lydia Kadzo (SM21/11731/16). Thesis Title; Effectiveness of pomegranate Punica grantum fruit extract on the sexual function in rats. Graduated on 28/7/2020.

Member, Bioethics Society of Kenya (BSK)


Dr, Steve O. Oduor

Chairman, Dept. of Biological Sciences

Egerton University

P.O.Box 536 - 20115



Prof. Magak G. Ng'wena

Chairman, Dept. of Medical Physiology

Maseno University

P.O. Box 333 - 40105



Dr. Anastasia N. Nadwa

University of Eldoret

Dept. of Biological Sciences

P.O. Box 1125 - 30100


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