Definitions
from The Century Dictionary.
- Pertaining to a pterygoid process or the pterygoid bone and to either the superior or inferior maxillary bone: specifically applied in anatomy to several parts.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Anat.) Of or pertaining to the inner pterygoid plate, or pterygoid bone, and the lower jaw.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective anatomy Of or pertaining to the inner
pterygoid plate , or pterygoidbone , and the lowerjaw .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Medial to the anterior extremity of the infratemporal crest is a triangular process which serves to increase the attachment of the Pterygoideus externus; extending downward and medialward from this process on to the front part of the lateral pterygoid plate is a ridge which forms the anterior limit of the infratemporal surface, and, in the articulated skull, the posterior boundary of the pterygomaxillary fissure.
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The pterygomaxillary fissure is vertical, and descends at right angles from the medial end of the preceding; it is a triangular interval, formed by the divergence of the maxilla from the pterygoid process of the sphenoid.
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It is bounded above by the lower border of the orbital surface of the great wing of the sphenoid; below, by the lateral border of the orbital surface of the maxilla and the orbital process of the palatine bone; laterally, by a small part of the zygomatic bone: 48 medially, it joins at right angles with the pterygomaxillary fissure.
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This fossa communicates with the orbit by the inferior orbital fissure, with the nasal cavity by the sphenopalatine foramen, and with the infratemporal fossa by the pterygomaxillary fissure.
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The pterygopalatine fossa is a small, triangular space at the angle of junction of the inferior orbital and pterygomaxillary fissures, and placed beneath the apex of the orbit.
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At its upper and medial part are two fissures, which together form a T-shaped fissure, the horizontal limb being named the inferior orbital, and the vertical one the pterygomaxillary.
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Each assists in forming the boundaries of three cavities, viz., the roof of the mouth, the floor and lateral wall of the nose and the floor of the orbit; it also enters into the formation of two fossæ, the infratemporal and pterygopalatine, and two fissures, the inferior orbital and pterygomaxillary.
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By opening the patient's mouth and thus depressing the coronoid process of the inferior maxilla, the pterygomaxillary fissure and the zygomatic fossa were well exposed.
With Sabre and Scalpel. The Autobiography of a Soldier and Surgeon John Allan 1914
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