tebrae ??? ??? ??? ankylosis the loss, or absence, of mobility in a joint due to disease, injury, or a surgical procedure ??? ??? ??? arthritis an inflammatory condition of one or more joints ??? ??? ??? arthrodesis the surgical fusion (joining together) of two bones to stiffen a joint, such as an ankle, elbow, or shoulder ??? ??? ??? arthrolysis the surgical loosening of an ankylosed joint ??? ??