Neural: (1) pertaining to a nerve or to the nerves. (2) situation in the region of the spinal axis, as the neural arch.
Foramen: (1) natural opening or passage. (2) anatomic nomenclature for such a passage, especially one into or through a bone.
Foramina: Pleural of foramen.
Foraminal: pertaining to foramen or foramina.
There is no medical dictionary entry for neuroforamen, neuroforamina or neuroforaminal, which provides the most significant clue for any medical transcriptionist or other medical professional in determining the correct terminology: there is no such term.
The correct terms are: