Abstract
Introduction: Human beings are bestowed with the power of bipedal locomotion and the clavicle acts as a strut to allow the free movement of the upper limb away from the chest wall.2
The clavicle (collar bone) is an unusual long bone which has many unique embryologic features.14
Aims & Objectives: The main aim of this study is to find variation in number and position of nutrient foramen of the human clavicle which enlightens the operating surgeon in the free vascularised bone grafts and in microsurgical vascularised bone transplantation.
From recent hypothesis it has been confirmed that vascularized bone and joint allograft survival depends strongly on the blood supply of bone.17
Material & Methods: Our study comprised of 50 (25 Right sided & 25 left sided) dry human clavicles collected irrespective of age and sex, obtained from department of Anatomy at S.M.S. Medical College & Hospital Jaipur.
Results & Conclusions: In our Present study Nutrient foramina was present in 47(97%) clavicles. Out of which single foramina in 34(68%) and double foramina in 13(26%). Absence of nutrient foramina were found in 3(6%) clavicles.
Maximum number was present in the middle third and on the posterior surface of 38(76%) bones.
Majority of the formina were directed towards the acromial end which showed that sterna end of the clavicle was the growing End and followed the laws of ossification. Only two foramina were directed towards sterna end.
The knowledge of the nutrient foramina is essential in some surgical procedures like placement of internal fixation, in vascularised bone graft and also to preserve arterial supply during radiation therapy.
Keywords: Nutrient foramina, clavicle, bone grafting.
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Corresponding Author
Puneet Joshi
Ph.D. Scholar, Department of Anatomy,
S.M.S. Medical College, Jaipur, Rajasthan, India
DOI: https://dx.doi.org/10.18535/jmscr/v6i4.169
