An arthrogram is an x-ray of a joint with contrast.
Articulation is the medical term meaning joint. The medical terminology combining form meaning joint is arthro-.
Arthrocentesis is the medical term meaning aspiration of fluid from a joint.
Flexing is the medical term meaning decreasing an angle as in bending a joint.
Knee arthroscopy is the medical term meaning visual examination of the inside of the knee joint.
Hypermobility is the term meaning excessive joint range of motion.
A joint prosthesis is an artificial joint.
arthrogram
Tumor = oma Joint = arthro
Joint effusion
Ankylosed is the medical term meaning abnormally bent; flexed is the medical term meaning normal bending of a joint.
articulation
arthrocele