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Several investigations have estimated the cranial volume in the past which indirectly reflects the brain volume. The measurement of cranial capacity exposes another aspect of growth and development. In this study, the relationship between cranial capacity and age in Nigerian females was investigated. The study was carried out on 914 healthy Nigerian females whose ages ranged between 1 and 64 years. The study was done between April 2008 and March 2009 in the South Eastern Zone of Nigeria. The Linear dimensions of the head were measured using standard techniques and cranial capacity calculated according to various age groups. The result of the investigation shows a significant (P<0.05) increase in cranial capacity as age increases in females.
Key words: Cranial capacity, age, variation, females.