Analysis of the Nutrient Foramen in Human Dry Ulnae of Turkish Population: An Anatomical Study and Current Literature Review

Kader Yılar; Latif Sağlam; Osman Coşkun; Ahmet Ertaş; Özcan Gayretli

doi:10.58600/eurjther.20232902-348.y

Authors

Kader Yılar Department of Anatomy, Istanbul University, Faculty of Medicine, Istanbul, Turkey https://orcid.org/0000-0001-5744-7805
Latif Sağlam Department of Anatomy, Istanbul University, Faculty of Medicine, Istanbul, Turkey https://orcid.org/0000-0001-6796-7484
Osman Coşkun Department of Anatomy, Istanbul University, Faculty of Medicine, Istanbul, Turkey https://orcid.org/0000-0002-0337-4927
Ahmet Ertaş Department of Anatomy, Istanbul University, Cerrahpaşa Faculty of Medicine, Istanbul, Turkey https://orcid.org/0000-0002-5518-4834
Özcan Gayretli Department of Anatomy, Istanbul University, Faculty of Medicine, Istanbul, Turkey https://orcid.org/0000-0001-7958-3170

DOI:

https://doi.org/10.58600/eurjther.20232902-348.y

Keywords:

Nutrient foramen, ulna, clinical importance, foraminal index

Abstract

Objective: The nutrient artery which enters through the nutrient foramen (NF) provides blood circulation and nutrition in long bones. This supply is essential during the growing period, the early phases of ossification, and in some surgical procedures. This study aimed to investigate NF in adult human ulnas in the Turkish population.

Methods: For this study, 155 (70 right and 85 left) Turkish dry adult human ulnas were used. The presence, number, and patency of NF were recorded as well as its topography and direction. The vertical distance between the most proximal point of the olecranon and the proximal edge of the NF (DONF), and the longitudinal distance between the most ventral point of the coronoid process on the sagittal plane and the proximal edge of the NF (DCpNF) was calculated. Additionally, the foraminal index (FI) was assessed.

Results: Single and double NFs were in 139 ulnas (89.67%), and 3 ulnas (1.94%), respectively. NFs were not observed in 13 ulnas (8.39%). The majority of NFs (93.12%) were situated on the anterior surface of the ulna. The direction of all NFs was towards the elbow. The mean DONF and DCpNF were 9.48 ± 1.57 cm, and 6.68 ± 1.44 cm, respectively. The FI was 37.45% in ulnas with a single NF, while it was 41.46% in ulnas with a double NF.

Conclusion: Our study has presented additional information such as the FI of ulnas with 2 NFs, and the distance between the coronoid process and NF in the Turkish population.

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