What is "vomer bones"

Usage examples of "vomer bones".

Her fingers were so very slim and silken dry, so very strong and many, all starting to grip tightlythey were not fingers but wiry black vines rooted inside her skull, growing in profusion out of her cavernous orbits, gushing luxuriantly out of the triangular hole between the nasal and the vomer bones, twining in tendrils from under her upper teeth so white, pushing insidiously and insistently, like grass from a sidewalk crack, out of her pale brown cranium, bursting apart the squamous, sagittal, and coronal sutures.