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A. Umar

Publications (26)

Evaluation of the Effects of Platelet-rich Plasma on Histological Changes Following Experimental Spinal Cord Injury in Wistar Rats

A. Umar, I. Mohammed, J. O. Adisa, M. S. Abubakar, U. F. Abdullahi, F. O. Emetumah, M. S. Sani, M. O. Mohammed, U. Abubakar & J. Noam · Asian Journal of Research in Medical and Pharmaceutical Sciences · 2026

Spinal cord injury (SCI) is a devastating central nervous system disorder that disrupts the structural integrity of the spinal cord causing motor, sensory and autonomic dysfunction leading to permanent paralysis. The aim of this study was to evaluate the effects of platelet-rich...

Open access Research Article 10.9734/ajrimps/2026/v15i2384

Evaluation of the Chemical and Oil Composition of Balsam Apple (Momordica balsamina) seed

B. I. Yerima & A. Umar · Asian Journal of Chemical Sciences · 2019

This research is aimed at the proximate chemical analysis of Momordica balsamina seeds with some properties of the oil. The results of the study showed that the seeds has high percentage of crude lipids, (38.77±0.15%) crude carbohydrates, (31.46±0.14%), crude proteins, (20.25±0.1...

Open access Research Article 10.9734/ajocs/2019/v6i318998

An Insight about the Referral System in Health Care Network: Flaws with Recommendations for Improvement

M. Bilal, A. Umar & S. M. Raza · Journal of Advances in Medicine and Medical Research · 2019

Healthcare network is composed of primary, secondary and tertiary care centers. Purpose of each unit in this sophisticated zone is to allow steady and smooth delivery of healthcare to optimum level without wasting essential resources or time. If, primary care centers are not able...

Open access Research Article 10.9734/jammr/2019/v29i530086

Isolation and Characterization of Lecithin from Selected Nigerian Varieties of Soybean (Glycine max)

A. Y. Mumeen, A. Umar, E. C. Egwim, O. Ejiro, A. Y. Kabiru, A. Shahu & O. Kester · Journal of Experimental Agriculture International · 2019

Lecithin is an important by-product of vegetable oil processing that has foremost functions in health, food manufacturing and processing, industrial product development and pharmaceutical formulation. The importation of lecithin to Nigeria for Industrial use can be reduced throug...

Open access Research Article 10.9734/JEAI/2019/45451

Developmental Anatomic Studies on the Triceps brachii and Biceps brachii Muscles in Red Sokoto Goat (Capra hircus)

S. A. Hena, A. Umar, M. L. Sonfada, A. Bello & S. M. Atabo · Annual Research & Review in Biology · 2017

Objectives: Triceps brachii and biceps brachii are important muscles for animal’s functionality and useful to clinicians during intramuscular drug administration. This study investigated the gross, morphometric and histological developmental pattern of these muscles. Methods: In...

Open access Research Article 10.9734/ARRB/2017/31763

Sickle Cell Anaemia: A Prevalence Study among the Children Attending Usmanu Danfodiyo University Teaching Hospital, Sokoto, North-Western Nigeria

N. M. Jiya, A. Umar, K. K. Ibrahim, K. Mohammed, O. Erhabor, A. S. Mainasara, M. A. Ndakotsu, A. Garba & A. U. Musa · Asian Journal of Medicine and Health · 2017

Aims: The aim of this study was to determine prevalence of Sickle Cell Anaemia (SCA) and other abnormal haemoglobin variants among the children attending the Paediatrics outpatients Department of Usmanu Danfodiyo University Teaching Hospital (UDUTH), Sokoto, North-Western of Nige...

Open access Research Article 10.9734/AJMAH/2017/30287

Factors Influencing Students Choice for Medical Laboratory Science as a Profession: A Case of Students at Usmanu Danfodiyo University (Udu), Sokoto, North-Western Nigeria

K. K. Ibrahim, A. Umar, K. Mohammed, A. Garba, M. Sanusi & O. M. Mohammed · Asian Journal of Medicine and Health · 2017

Aim: To examine factors influencing students’ choice for medical laboratory sciences as a Profession: A case at Usmanu Danfodiyo University, Sokoto, North-Western Nigeria. Study Design: This was a cross-sectional qualitative study designed to examine factors influencing students’...

Open access Research Article 10.9734/AJMAH/2017/29224

Toxic Effect of African Black Soap (Sabulun salo) on the Histology of Albino Rat Stomach

O. M. Mohammed, A. Umar, A. S. Ajayi, I. Mohammed & A. O. Muhammed · Asian Journal of Medicine and Health · 2016

Background: Sabulun salo (African traditional black soap) is widely used among various local communities in the northern Nigeria as medicinal herb. This experimental research was carried out to study the effect of oral administration of the soap on the stomach of Albino Rats. The...

Open access Research Article 10.9734/AJMAH/2016/28992

Isolation and Identification of Fungi Associated With Rot of Watermelon Fruit in Sokoto Metropolitan, Sokoto State, Nigeria

Y. I. Alhaji, S. Y. Lema, J. Ibrahim, A. Umar & M. Garba · International Journal of Pathogen Research · 2020

Watermelon fruit contain high vitamins and minerals. Watermelon is susceptible to many pathogenic microorganisms that results to unpleasant odours and cause foodborne diseases. This study was conducted to isolate and identify fungi that are associated with rot of watermelon fruit...

Open access Research Article 10.9734/ijpr/2020/v5i430146

Efficacy of Various Concentrations of Honey Solution in the Fixation of Some Selected Tissues in Wistar Rats

U. Abubakar, A. Ishaq, O. O. Okechi, A. Umar, R. I. Tsamiya, M. O. Mohammed, A. T. Muhammad, . Mohammed, U. Mohammed, N. Okorie, F. A. Dogondaji, S. M. Sani, A. Abdulazeez, S. Y. Ma’aruf, H. Kabir, B. A. Bello, N. A. Idris, K. H. Magaji, A. H. Mohammed, M. U. Kalgo & A. I. Bagudo · Advances in Research · 2020

Introduction: Honey is thought to preserve the cells by preventing autolysis and putrefaction. Thus, studies have shown that honey has a good preventive putrefactive property mainly because honey contains seven tetracycline derivatives, fatty acids, lipids, amylases and ascorbic...

Open access Research Article 10.9734/air/2020/v21i730217

Haemoglobin Electrophoresis Pattern among the Children Attending Paediatrics Department of Usmanu Danfodiyo University Teaching Hospital (UDUTH), Sokoto, North-Western Nigeria

K. K. Ibrahim, A. Garba, N. M. Jiya, A. Umar, J. M. Bunza, M. L. Jidda & M. O. Mohammed · International Blood Research & Reviews · 2017

Aim: The aim of this study was to determine the Haemoglobin Electrophoresis pattern among the children attending Paediatrics Department of Usmanu Danfodiyo University Teaching Hospital (UDUTH), Sokoto, North-Western of Nigeria. Materials and Methods: A total of three hundred and...

Open access Research Article 10.9734/IBRR/2017/30490

Effect of Deforestation on Livelihood and the Adaptation Strategies in Niger South Senatorial District, Niger State, Nigeria

A. A. Kwatu, A. T. Ogah, S. Y. Kpalo, M. Muhammed & A. Umar · Journal of Agriculture and Ecology Research International · 2023

Tropical rainforests are ecosystem of genetic diversity that offers an important medicinal plants source, it’s also provides high-yield foods, and a myriad of other important products. They are an important environment for migratory animals and maintain as much as fifty percent o...

Open access Research Article 10.9734/jaeri/2023/v24i3529

Histopathological Patterns of Larynx Biopsies in Usmanu Danfodiyo University Teaching Hospital (UDUTH) Sokoto, North- Western Nigeria From 2002-2012

O. M. Mohammed, D. F. Ahmad, C. C. Chinaka, I. Mohammed, A. Umar, U. Abubakar, A. O. Muhammed, R. T. Isah, A. T. Muhammad & S. D. Abubakar · Journal of Advances in Medicine and Medical Research · 2019

Background: Laryngeal cancer is the most common of the aerodigestive tract affecting both sexes and all age groups with high morbidity and mortality when left untreated. Objectives: The study is carried out to review the histology of all larynx biopsies sent to Histopathology lab...

Open access Research Article 10.9734/JAMMR/2018/30236

Cytomorphological Spectrum, Prevalence and Awareness of Abnormal Cervical Smears in Sokoto State Metropolis, Nigeria

M. O. Mohammed, U. L. Airauhi, A. Z. Mohammed, A. Salihu, U. Abubakar & A. Umar · Journal of Cancer and Tumor International · 2023

Introduction: Cervical cancer is an important global health problem and, it is the fourth leading cause of cancer death among women worldwide. The distribution of cervical cancer differs across the world, with more than 85% of deaths occurring in developing regions. The incidence...

Open access Research Article 10.9734/jcti/2023/v13i3-4242

Prevalence of Anaemia among Children Attending Paediatrics Department of UDUTH, Sokoto, North-Western Nigeria

A. S. Mainasara, K. K. Ibrahim, E. U. Uko, N. M. Jiya, O. Erhabor, A. Umar, S. K. Muhammad, M. Sanusi, A. Garba, M. L. Jidda, S. K. Ladipo, L. Haruna, L. S. Sani, F. U. Onuigwe, M. Danyaro & Z. Bello · International Blood Research & Reviews · 2017

Introduction: Anaemia is a global public health problem. It affects more than 56 million people globally, two thirds of them being from developing countries. This study was designed to investigate the prevalence and types of anaemia among the children attending the Paediatrics De...

Open access Research Article 10.9734/IBRR/2017/29225

Effect of Biochemical Parameters and Histology of Liver on Sucrose-Induced Metabolic Syndrome in Wistar Rats

U. Abubakar, H. I. Wasagu, M. O. Mohammed, R. I. Tsamiya, I. Mohammed, O. G. Avwioro, A. T. Muhammad, A. Umar, S. M. Sani, B. M. Yale, S. Umar & A. B. Imam · Journal of Complementary and Alternative Medical Research · 2022

Introduction: Metabolic syndrome (MetS) is a multiple factorial condition that draws a parallel to various risks such as dyslipidemia, hypertension, and hyperglycemia. As per the new International Diabetes Federation (IDF), for a person to be defined as having metabolic syndrome...

Open access Research Article 10.9734/jocamr/2022/v17i130324

Toxicity Studies on Aqueous Stem Bark of Khaya senegalensis Extract of Kidneys and Its Biochemical Parameters in Wistar Rats

U. Abubakar, J. O. Adisa, U. Mohammed, R. I. Tsamiya, M. O. Mohammed, A. T. Muhammad, I. Mohammed, A. Umar, S. M. Sani, S. Umar, A. B. Imam, H. Kabir, F. A. Dogondaji, B. A. Bello, S. Y. Ma Aruf, S. A. Fasogbon, D. Isah & H. Abdullahi · Journal of Complementary and Alternative Medical Research · 2021

Introduction: Khaya senegalensis is a genus of seven species of trees in the mahogany family Meliaceae, native to tropical Africa and Madagascar. Mahogany  in  English, Aganwo  in  Yoruba,  Madachi  in  Hausa  and  Ono  in  Igbo. All species become big trees 30–35m tall, rarely 4...

Open access Research Article 10.9734/jocamr/2021/v13i330226

The Staining Interactions of Aqueous Extract of Skin Allium cepa (Red Onion) on Some Selected Histological Tissues

M. O. Mohammed, A. A. Hali, O. O. Okechi, A. T. Muhammad, R. I. Tsamiya, U. Abubakar, I. Mohammed, A. Umar, S. M. Sani, M. K. Dallatu, J. M. Bunza, H. Kabir, H. M. Tambuwal, A. Slisu, B. A. Bello, F. A. Dogondaji, N. Okorie, S. Y. Ma’aruf, D. Isah, A. A. Ngaski, N. A. Idris, A. S. Ajayi, M. Isah, M. Sirajo, A. Abdulazeez & H. Abullahi · International Journal of Biochemistry Research & Review · 2020

Introduction: Histological stains are biological dyes which colour tissue in order to aid optical differentiation of tissue component. Dyes are coloured substance which impact colour for material such as textile, cosmetic, food, drugs, rubber plastics, hair, fur and tissues. Ther...

Open access Research Article 10.9734/ijbcrr/2020/v29i830212

Histopathological Pattern of Fungal Infections Seen in Usmanu Danfodiyo University Teaching Hospital Sokoto from 2014 To 2018

M. O. Mohammed, M. Sirajo, O. O. Okechi, A. T. Muhammad, R. I. Tsamiya, U. Abubakar, I. Mohammed, A. Umar, M. K. Dallatu, A. S. Ajayi, S. M. Sani, A. Abdulazeez, A. A. Hali, M. Isah, S. Y. Ma’aruf, B. A. Bello, J. M. Bunza, H. Kabir, F. A. Dogondaji, H. M. Tambuwal, N. Okorie, A. A. Ngaski, D. Isah, A Salisu, N. A. Idris, A. Ya’u, H. I. Wasagu & H. Abdullahi · Asian Journal of Research in Infectious Diseases · 2020

Introduction: Fungal infection is a common manifestation in this part of the country and worldwide. It is essential to define the epidemiology of fungal infection in a particular environment. Aim: This study aims to analyze the diagnosis of fungal infection carried out in patient...

Open access Research Article 10.9734/ajrid/2020/v4i330151

Study of Staining Capability of Alcoholic and Aqueous Hibiscus sabdariffa Extract in Demonstration of Selected Fungal Moulds in Some Selected Tissue Section of Wistar Rat

S. Y. Ma’aruf, M. O. Mohammed, O. G. Avwioro, A. T. Muhammad, R. I. Tsamiya, U. Abubakar, I. Mohammed, A. Umar, S. M. Sani, H. Kabir, B. A. Bello, S. D. Abubakar, F. A. Dogondaji, N. Okorie & S. Garba · International Journal of Biochemistry Research & Review · 2020

Introduction: Hibiscus sabdariifa is a natural dye, generally called roselle. Most of Synthetic dye  have been established to cause toxicity. The aim of this research was to determine the staining effect of different concentration of Hibiscus sabdariffa extracts at various pH, du...

Open access Research Article 10.9734/ijbcrr/2020/v29i630193

Staining Property of Alcoholic and Aqueous Hibiscus sabdariffa Extract in Demonstration of Selected Bacteria in Tissue Sections of Wistar Rats

S. Y. Ma’aruf, M. O. Mohammed, A. T. Muhammad, O. O. Okechi, R. I. Tsamiya, U. Abubakar, I. Mohammed, A. Umar, S. M. Sani, H. Kabir, B. A. Bello, S. Garba & S. D. Abubakar · Microbiology Research Journal International · 2020

Introduction: Dye is used for the artificial colouration of a substance to facilitate its examination by the use of the coloured organic molecule, a process called staining. Over the past many years, it has been observed that synthetic dyes have many disadvantages associated with...

Open access Research Article 10.9734/mrji/2020/v30i230195

Chronic Toxicity Study Aqueous Stem Bark of Khaya senegalensis Extract on the Histology of the Liver and Its Biochemical Parameters in Wistar Rats

U. Abubakar, J. O. Adisa, U. Mohammed, R. I. Tsamiya, M. O. Mohammed, A. T. Muhammad, I. Mohammed, A. Umar, S. D. Abubakar, S. M. Sani, Okorie . & S. A. Fasogbon · Asian Journal of Research in Botany · 2020

Introduction: Khaya senegalensis is a genus of seven species of trees in the mahogany family Meliaceae, native to tropical Africa and Madagascar. Mahogany in English, Aganwo in Yoruba,  Madachi in  Hausa and  Ono in  Igbo. All species become big trees 30–35 m tall, rarely 45 m, w...

Open access Research Article

Evaluation of Efficacy of Co-artemisinin in the Treatment of Plasmodium falciparum Malaria in Gombe State, Nigeria

M. D. Hassan, M. M. Dauda, Y. Mohammed, B. Muhammad, A. A. Kudi, S. C. Muhammad, M. M. Manga & A. Umar · Journal of Advances in Medical and Pharmaceutical Sciences · 2017

Aim: To evaluate the potency and efficacy of co-artemisinin brands used in the treatment of uncomplicated Plasmodium falciparum malaria in Gombe State North-Eastern Nigeria. Materials and Methods: A total of 185 patients with malaria aged between 5-60 years attending Federal Teac...

Open access Research Article 10.9734/JAMPS/2017/32303

Histological and Biochemical Changes in Sucrose-Induced Metabolic Syndrome on Kidney of Wistar Rats

M. O. Mohammed, M. Isah, O. O. Okechi, A. T. Muhammad, R. I. Tsamiya, U. Abubakar, I. Mohammed, O. G. Avwioro, A. Umar, S. M. Sani, B. A. Bello, A. A. Ngaski, J. M. Bunza, H. Kabir, A. Abdulaziz, I. Jelani, A. S. Ajayi, F. A. Dogondaji, A. Y. Ma’aruf, A. M. Zakari, K. Bello, D. Sahabi & E. E. Nnadozie · Asian Journal of Research and Reports in Urology · 2020

Introduction: Metabolic syndrome is a cluster of metabolic abnormalities which confers upon an individual substantial increase risk factors of cardiovascular disease including hypertension, central obesity, dyslipidemia and hyperglycemia. Aim: The aim of the study was to determin...

Open access Research Article

Attitudes of Students towards the Profession of Medical Laboratory Science in Faculty of Medical Laboratory Sciences of Usmanu Danfodiyo University, Sokoto, North-Western Nigeria

K. K. Ibrahim, A. Garba, O. Erhabor, A. S. Mainasara, A. H. Buhari, O. Augustine, M. Sanusi, M. K. Dallatu, M. H. Yeldu, I. B. Aliyu, A. Umar, M. L. Jidda & A. A. Ngaski · Journal of Advances in Medicine and Medical Research · 2018

Aim: To look into the attitudes of Medical Laboratory Science students towards the profession of Medical Laboratory Sciences (Bachelor of Medical Laboratory Science) in Faculty of Medical Laboratory Science, Usmanu Danfodiyo University (UDU), Sokoto, North-Western Nigeria. Study...

Open access Research Article 10.9734/JAMMR/2018/29096

Immunohistochemical Pattern of Breast Cancer in Maiduguri, Borno State

B. A. Imam, O. O. Okechi, K. Abdullahi, U. Abubakar, A. B. Musa, N. Okorie, S. Umar, A. O. Muhammed, O. M. Mohammed, A. Zakariya, K. K. Ibrahim & A. Umar · Journal of Cancer and Tumor International · 2017

Background: Breast cancer is one of the most common cancer affecting women in Nigeria, with a very high morbidity and mortality rate if the diagnosis is delayed. It is common among women in both developed and developing countries of the world. Objectives: This is carried out to d...

Open access Research Article 10.9734/JCTI/2017/31831