Ginglymus is a kind of Articulation which unites two Bones, each whereof hath at their Ends a Head and a Cavity, whereby they both receive and are received at the same time, such is the Articulation in the Bones of the Elbow and the Vertebræ.
What is Synarthrosis?
Synarthrosis being opposite to Diarthrosis, is a
close or compacted Articulation, destitute of any sensible Motion.
How many sorts of Synarthroses, or close Articulations are there?
There are Three. viz. Sutura, Harmonia, and Gomphosis.
A Suture is that which joins together two Bones by a kind of Seam or Stitch, or by a Connexion of their Extremities dispos'd in form of a Saw, the Teeth whereof are reciprocally let one into another: Such are the Sutures of the Skull-Bones.
Harmonia is the uniting of two Bones by a simple Line; as the Bone of the Cheek with that of the Jaw.
Gomphosis is a kind of close Articulation, which unites two Bones after the manner of Nails or Wooden Pins fixt in the Holes made to receive them: Such is that of the Teeth in their Sockets.
What is Symphysis?