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Re: Discovery tonight ... 8 pm
(they made the ever-so-popular error of indicating that snakes
"unhinge" their jaws - and they were not talking about the mandibular
As Skitt's Law would have it, it's _symphysis_...
But to repeat your point, the mandibular symphysis of snakes isn't a
synovial joint (with smooth cartilage surfaces and a joint capsule and
all that stuff). It's just two bones and a ligament that can stretch,
something synovial joints are practically incapable of.