The blood supply to long bones, here with nutrient artery, vein and foramen labeled.
A nutrient canal feeding the femur seen on X-ray
All bones possess larger or smaller foramina (openings) for the entrance of blood-vessels; these are known as the nutrient foramina, and are particularly large in the shafts of the larger long bones, where they lead into a nutrient canal, which extends into the medullary cavity. The nutrient arteries along with veins pass through this canal. A nutrient canal is found in long bones, in the mandible  and in dental alveoli. In long bones the nutrient canal is found in the shaft.
- Abdar-Esfahani, Morteza; Mehdizade, Mojdeh (4 November 2013). "Mandibular Anterior Nutrient Canals in Periapical Radiography in Relation to Hypertension". Nephro-urology Monthly. doi:10.5812/numonthly.15292.
- Fielding, CG (1 March 2002). "Nutrient Canals of the Alveolar Process as an Anatomic Feature for Dental Identifications". Journal of Forensic Science. doi:10.1520/JFS15262J.
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