Poker back

From Biology-Online Dictionary | Biology-Online Dictionary

poker back --> spondylitis deformans

arthritis and osteitis deformans involving the spinal column; marked by nodular deposits at the edges of the intervertebral disks with ossification of the ligaments and bony ankylosis of the intervertebral articulations, it results in a rounded kyphosis with rigidity.

Synonym: bechterew's disease, poker back, strumpell's disease.