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Articles by M.B. Maina
Total Records ( 3 ) for M.B. Maina
  M.B. Maina , Y.C. Shapu , S.H. Garba , M.A. Muhammad , A.M. Garba , A.U. Yaro and O.N. Omoniyi
  Cranial capacity is a measure of the volume of the interior of the cranium which is sometimes used as a rough indicator of the size of the brain and is mostly affected by environmental, geographical, gender, age, nutritional and racial factors. A survey of available literature indicates a lack of study on cranial capacities in adults resident in Maiduguri North Eastern Nigeria, this study was therefore undertaken to determine the Cranial Capacities (CC) of 300 (150 males, 150 females) aged 18-35 years adults resident in Maiduguri Metropolis using a random stratified method. Linear measurements of cranial length, width, height and head circumference were undertaken and their cranial capacities calculated. The Mean (±SD) of cranial capacity was significantly (p<0.0001) higher in males (1424.4±137.9) than in females (1331.3±201.8). Cranial length and height were also found to be significantly higher in males than in females. The results obtained from this study confirms that the cranial volume of males is higher than that of the females and also suggest that the cranial capacity of adult males and females were slightly higher than those of similar studies carried out in some ethnic groups indigenous to the southern part of Nigeria.
  M.B. Maina , S.H. Garba and T.W. Jacks
  This research was carried out as a preliminary study to determine the histological effect of a herbal tea mixture on the rat testis. A total of 25 adult male albino rats of the Wister strain were used, they were randomly divided into five groups of five rats each. Group I served as control, while rats in groups II-IV were administered 2, 4 and 8 g kg-1 body weight of the herbal tea, respectively for 28 days. Rats in group V were administered 8 g kg-1 of the herbal tea for 28 days and allowed to stay for 14 days post treatment to observe for reversibility, persistence or delayed occurrence of toxic effects. At the end of the experimental periods, the animals were sacrificed and the weights of the testes recorded, fixed and processed for routine histological technique. Administration of the herbal tea to rats showed a significant increase in body weights, but testicular weights were unaffected. Histological examination of the rat`s testis revealed interstitial edema and congestion of blood vessels in the testes of the treated rats. Withdrawal of the herbal tea for 14 days showed a slight degree of recovery in the rats. These findings suggests that the histological organization of the testis can significantly be altered with continuous and increase use of the herbal tea mixture. Further studies to determine the effect of the tea on the morphometry, biometry and hormonal profile of the rat`s testes following long term exposure will be useful.
  M.B. Maina , O. Mahdi and G.D. Kalayi
  Cephalometry is a branch of anthropometry through which cephalic index is estimated. Cephalometric studies on head types are useful in paediatrics, forensic medicine, plastic surgery, oral surgery and diagnostic comprehension between patient and normal populations. In Nigeria, literature is lacking on head shapes by vertical and transverse cephalic indices, this study was therefore undertaken to document the different head types in three ethnic groups of North-Eastern Nigeria residing in Gombe. Cephalic length, width and height in Fulani, Tangale and Tera ethnic groups were linearly measured in a total of 322 (152 males and 170 females) 18-40 years old subjects. The result revealed no significant difference in cephalic indices, except in Fulani males, where transverse cephalic index was higher than in the other ethnic groups (p<0.05) and in Tangale females where all the cephalic indices were higher than in other ethnic groups (p<0.05). Head types based on the indices in males and females from all the three ethnic groups are dominantly High Hypsicephalic and Acrocephalic and rarely Chamaecephalic and Tapeinocephalic according to vertical and transverse cephalic indices, respectively. The study revealed that the three ethnic groups share differences on the basis of cephalic indices and share some similarities on the basis of head types and that Nigerians share similarities with Sri Lankans base on their head types.
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