foramen

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foramen

a natural hole, esp one in a bone through which nerves and blood vessels pass

foramen

[fə′rā·mən]
(biology)
A small opening, orifice, pore, or perforation.
References in periodicals archive ?
By observing the nutrient foramina (a kind of tubular passage on cortex) on palmar and dorsal sides of the lunate images layer by layer, the number of nutrient foramina with/without enhanced arteries was recorded [Figure 1].
sup][4],[5] In addition, the occurrence of accessory foramina was also observed on the lingual surface of the anterior mandible, and they are believed to offer access to these branches.
There was five pair of sacral foramina instead of four pair of foramina seen in normal sacrum on ventral and dorsal surface.
The nutrient foramina were observed in all bones with the help of a hand lens.
Knowledge of the distances, location and number of mental foramina is useful in defining safe areas when performing mandible procedures.
When it's a question of side of a skull the foramen appeares on, most studies proclaim higher incidence on the right side, with an exception of studies performed in USA [5], that indicate higher incidence of caroticoclinoid foramen on the left side, as well as more significant number of complete or incomplete foramina bilaterally.
1); height of the supraorbital foramen that is vertical distance between the lowest point along the lower margin of the SOF and supra orbital margin; transverse diameter of supraorbital notch that is transverse distance between the lower ends of medial and lateral margins of the SON; the presence of accessory foramina, their number, location and distance from the main SON/SOF.
Small openings called neurovascular foramina pepper the facial bones of vertebrates.
The appearance of mental foramina on panoramic radiographs.