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IJAR.2018.425

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Type of Article:  Original

Volume 7; Issue 1.2 (February 2019)

Page No.: 6149-6153

DOI: https://dx.doi.org/10.16965/ijar.2018.425

AN OSTEOLOGICAL STUDY ON NUTRIENT FORAMINA OF HUMAN DRY ADULT ULNA BONES

Pramod Rangasubhe 1, Pavan P Havaldar *2.

1 Assistant Professor, Department Of Anatomy, Gadag Institute of Medical Sciences, Mulgund Road, Mallasamudra, Gadag, Karnataka, India.

*2 Associate Professor, Department Of Anatomy, Gadag Institute of Medical Sciences, Mulgund Road, Mallasamudra, Gadag, Karnataka, India.

Corresponding Author: Dr Pavan P Havaldar, Associate Professor, Department Of Anatomy, Gadag Institute Of Medical Sciences,  Mulgund Road, Mallasamudra, Gadag – 582103, Karnataka, India.  Mobile: 9986592589 E-Mail: anatgadag@gmail.com

ABSTRACT:

Background: Nutrient artery is the major source of blood supply to long bones. This artery enters the shaft of the long bone through nutrient foramen. Vascular insults to the Ulna during fracture dislocation or during surgical correction of fracture may result in delayed healing or non-union of fracture.     

Materials and Methods: The present study was undertaken on 100 dry adult ulna bones of unknown sex (50 each of right and left sides) from Department of Anatomy, Gadag Institute of Medical Sciences, Gadag, Karnataka. The ulna bones were numbered using a marker pen. Using Hepburn’s osteometric board, length of the bone was measured. The size and direction of the nutrient foramina was assessed using 19, 22 and 25 gauge hypodermic needles.

Results: Among the total 100 ulna studied, 86 had single nutrient foramina, 13 had two nutrient foramina and 1 had three nutrient foramina. 59.13% of nutrient foramina were of medium sized and 20% were of large size. 85.22% of nutrient foramina were located in upper third of shaft of ulna; 12.17% in middle third and 2.61% in lower third. 1% of NF were directed horizontally, 2% lower oblique and remaining upper oblique. No correlation could be demonstrated between the length of ulna and number of nutrient foramina in the present study.

Conclusion: The present study conducted on nutrient foramina of 100 dry adult ulna arrived at a conclusion that majority of nutrient foramina were located in the upper third of the shaft in anterior surface. The results of the present study are consistent with most similar studies. The knowledge of location, direction and number of nutrient foramen on shaft of ulna is of utmost importance to the Orthopaedicians and Oncologists.

KEY WORDS: Ulna, Nutrient Foramina, Diaphysis, Fracture, Bone graft.

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Cite this article: Pramod Rangasubhe, Pavan P Havaldar. AN OSTEOLOGICAL STUDY ON NUTRIENT FORAMINA OF HUMAN DRY ADULT ULNA BONES. Int J Anat Res 2019;7(1.2):6149-6153. DOI: 10.16965/ijar.2018.425