| 21. | Discovered were the anterior part of skull, incomplete mandible, centra, isolated ribs, and left pterygoid.
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| 22. | He was the first anatomist to publish descriptions of satisfactory pterygoid process and the sphenoid bone and bone clinoideo tear.
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| 23. | Each lateral pterygoid muscle is composed of 2 heads, the upper or superior head and the lower or inferior head.
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| 24. | The pterygoid bones do not touch each other with their rear ends at the braincase, totally separated by the basisphenoid.
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| 25. | "' Dvinosaurs "'are one of several new clades of pterygoid; and 28 or more presacral vertebrae.
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| 26. | In addition, DeMar clarifies that the contact between vomer and pterygoid is lost resulting to palatine contributing to an enlarged interpterygoid.
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| 27. | The following average surfaces were found : medial pterygoid-4 cm 2 which makes a total of 19.5cm 2.
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| 28. | Furthermore, the pterygoid arches and the angular region of the jaw were quite heavy, allowing the insertion of strong jaw muscles.
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| 29. | The lower head inserts at a depression on the neck of mandibular condyle, just below the articular surface, termed the pterygoid fovea.
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| 30. | Behind this groove is a rough surface, for the insertion of the internal pterygoid muscle ( " Pterygoideus internus " ).
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