shackle joint
Noun
Meaning
shackle joint (plural shackle joints)
(anatomy) A joint formed by a bony ring passing through a hole in a bone, as at the bases of spines in some fishes.
Noun
shackle joint (plural shackle joints)
(anatomy) A joint formed by a bony ring passing through a hole in a bone, as at the bases of spines in some fishes.