rhomboidal sinus
n.
A dilation of the central canal of the spinal cord in the lumbar region.
rhombocele
Words nearby rhomboidal sinus
rhombohedral,
rhombohedron,
rhomboid,
rhomboid fossa,
rhomboid ligament,
rhomboidal sinus,
rhomboideus,
rhombus,
rhonchal fremitus,
rhonchus,
rhonda