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Cephalic index of Ogbia tribe of Bayesla State / Índice cefálico de la tribu Ogbia del Estado de Bayelsa
Eroje, M. A; Fawehinmi, H. B; Jaja, B. N; Yaakor, L.
  • Eroje, M. A; Niger Delta University. Department of Anatomy. Amassoma. NG
  • Fawehinmi, H. B; Niger Delta University. Department of Anatomy. Amassoma. NG
  • Jaja, B. N; Niger Delta University. Department of Anatomy. Amassoma. NG
  • Yaakor, L; University of Port Harcourt. Department of Anatomy. NG
Int. j. morphol ; 28(2): 389-392, June 2010. ilus
Article in English | LILACS | ID: lil-577126
ABSTRACT
A study on Cephalic Index was carried out on subjects from Ogbia tribe of Bayelsa State in the Niger Delta region of Nigeria. Four hundred and fourty individuals were randomly selected from the community comprising of 219 males and 221 females respectively. The ages of the subjects ranged from 2-18 years. The length and breadth of the head was measured using a sliding caliper from standard bony landmarks. The measurable point for head length was measured between the glabella and opisthocranion while the head breadth was the widest biparietal diameter from euryon (eu) on one side of the head to euryon (eu), on the other side. Mean values of cephalic index, standard deviation and standard error of mean were calculated for both sexes. The result showed that the mean cephalic index was 72.96 +/- 6.12. Male had a cephalic index of 73.68 +/- 6.53 while female had a cephalic index of 72.24 +/- 5.60. The difference in cephalic index between male and female was significant (p=0.007). Based on the cephalic index, the head form of 66.82 percent of individuals were Dolichocephalic, 21.59 percent Mesocephalic, 10.23 percent Brachycephalic and 1.36 percent Hyperbrachycephalic. This research showed that Ogbia children have Dolichocephalic phenotype. The data from this research will be useful in anthropology, genetics and forensic medicine.
RESUMEN
Se estudió el índice cefálico en sujetos de la tribu Ogbia del estado de Bayelsa en la región del Delta del Níger de Nigeria. Fueron seleccionados al azar 440 individuos de la comunidad ( 219 hombres y 221 mujeres), con edades entre 2 y 18 años. La longitud y el ancho de la cabeza se midió utilizando un caliper de referencias óseas estándar. La longitud de la cabeza se midió entre la glabela y el opistocranion, y el ancho a nivel parietal desde un euryon a otro. Los valores medios de índice cefálico, la desviación estándar y el error estándar de la media se calcularon para ambos sexos. El resultado mostró que el índice cefálico promedio fue de 72,96 +/- 6,12. Los hombres tenían un índice cefálico de 73,68 +/- 6,53, mientras que las mujeres mostraron una índice cefálico de 72,24 +/- 5,60. La diferencia en el índice cefálico entre hombres y mujeres fue significativa (p=0,007). Con base en el índice cefálico, el 66,82 por ciento de los individuos eran dolicocefálicos, el 21,59 por ciento mesocefálicos, el 10,23 por ciento braquicefálicos y el 1,36 por ciento hiperbraquicéfalicos. Esta investigación mostró que los niños Ogbia tienen un fenotipo dolicocefálico. Los datos de esta investigación pueden ser útiles en antropología, genética y medicina forense.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Skull / Cephalometry / Forensic Anthropology / Black People Type of study: Prognostic study Limits: Adolescent / Child / Child, preschool / Female / Humans / Male Country/Region as subject: Africa Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2010 Type: Article Affiliation country: Nigeria Institution/Affiliation country: Niger Delta University/NG / University of Port Harcourt/NG

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Full text: Available Index: LILACS (Americas) Main subject: Skull / Cephalometry / Forensic Anthropology / Black People Type of study: Prognostic study Limits: Adolescent / Child / Child, preschool / Female / Humans / Male Country/Region as subject: Africa Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2010 Type: Article Affiliation country: Nigeria Institution/Affiliation country: Niger Delta University/NG / University of Port Harcourt/NG