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Zygantrum
ZYGANTRUM

Definition: in snakes and some lizards, an additional vertebral articulation, consisting of a fossa on the posterior surface of the neural arch, into which fits the zygosphene.
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See perfect part (5).

See perfect object (1).
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See perfect specificity.

See perfect addition (1).
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See perfect particularness.

See perfect articulation (4).

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