Background: The major blood supply to long bone is from the nutrient arteries, which enter through nutrient foramina. Nutrient foramen is an opening into the bone shaft which give passage to the blood vessels of the medullary cavity of a bone The direction of the nutrient foramen of all bones is away from growing end and has a particular position for each bone.
Objective: The aim of the present study was to study the topographic anatomy and morphology of the nutrient foramina in human adult lower limb long bones.
Material and Method: The study was performed on 150 lower limb long bones which included 50 femora, 50 tibiae and 50 fibulae. The bones were obtained from department of anatomy, Punjab Institute of Medical Sciences, Jalandhar.
Results: The variations were found in number and location of nutrient foramen in different lower limb long bones. In femur double and triple foramina were observed. Absence of nutrient foramen was observed in femur and fibula.
Conclusion: The topographical knowledge of these foramina is useful in certain operative procedures, in orthopedics as well as in plastic and reconstructive surgery, to avoid damage to the nutrient vessels.
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