| pterygomaxillary | <anatomy> Of or pertaining to the inner pterygoid plate, or pterygoid bone, and the lower jaw. Origin: Pterygoid + maxillary. Source: Websters Dictionary (01 Mar 1998) |
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| pterygomaxillary fissure | The narrow gap between the lateral pterygoid plate and the infratemporal surface of the maxilla through which the infratemporal fossa communicates with the pterygopalatine fossa; gives passage to the third part of the maxillary artery and the posterior superior alveolar arteries, veins and nerves. Synonym: fissura pterygomaxillaris, fissura pterygopalatina. (05 Mar 2000) |
| pterygomaxillary fossa | Sphenomaxillary fossa, a small pyramidal space, housing the pterygopalatine ganglion, between the pterygoid process, the maxilla, and the palatine bone. Synonym: fossa pterygopalatina, Bichat's fossa, pterygomaxillary fossa, sphenomaxillary fossa. (05 Mar 2000) |
| pterygomaxillary notch | The notch or fissure between the tuberosity of the maxilla and the hamulus of the pterygoid process of the sphenoid bone. Synonym: hamular notch. (05 Mar 2000) |
| pterygopalatine | <anatomy> Of or pertaining to the pterygoid processes and the palatine bones. Origin: Pterygoid + palatine. Source: Websters Dictionary (01 Mar 1998) |
| pterygopalatine canal | The canalis formed between the maxilla and palatine bones; it transmits the descending palatine artery and the greater palatine nerve. Synonym: canalis palatinus major, pterygopalatine canal. (05 Mar 2000) |
| pterygopalatine fossa | Sphenomaxillary fossa, a small pyramidal space, housing the pterygopalatine ganglion, between the pterygoid process, the maxilla, and the palatine bone. Synonym: fossa pterygopalatina, Bichat's fossa, pterygomaxillary fossa, sphenomaxillary fossa. (05 Mar 2000) |
| pterygopalatine ganglion | A small parasympathetic ganglion in the upper part of the pterygopalatine fossa whose postsynaptic fibres supply the lacrimal, nasal, palatine and pharyngeal glands. Synonym: ganglion pterygopalatinum, Meckel's ganglion, nasal ganglion, sphenopalatine ganglion. (05 Mar 2000) |
| pterygopalatine groove | A groove on both the body of the maxilla and the perpendicular plate of the palatine bone; when the bones are articulated the grooves form the greater palatine canal. Synonym: sulcus palatinus major, pterygopalatine groove, sulcus for greater palatine nerve, sulcus pterygopalatinus. (05 Mar 2000) |
| pterygopalatine nerves | <anatomy, nerve> The ganglionic branches, two short sensory branches of the maxillary nerve in the pterygopalatine fossa, the fibres of which pass through the pterygopalatine ganglion without synapse. Synonym: radix sensoria ganglii pterygopalatini, rami ganglionici nervi maxillaris, rami ganglionares, nervi pterygopalatini, nervi sphenopalatini, pterygopalatine nerves, sensory root of pterygopalatine ganglion. (05 Mar 2000) |
| pterygopharyngeal part of superior constrictor muscle of pharynx | pterygopharyngeal part of superior constrictor muscle of pharynx |
| pterygopodium | Origin: NL, fr. Gr, a fin +, dim. Of, a foot. <anatomy> A specially modified part of the ventral fin in male elasmobranchs, which serves as a copulatory organ, or clasper. Source: Websters Dictionary (01 Mar 1998) |
| pterygoquadrate | <anatomy> Of, pertaining to, or representing the pterygoid and quadrate bones or cartilages. Origin: Pterygoid + quadrate. Source: Websters Dictionary (01 Mar 1998) |
| pterygospinal ligament | <anatomy> A membranous ligament extending from the spine of the sphenoid to the upper part of the posterior border of the lateral pterygoid lamina. Synonym: ligamentum pterygospinale, Civinini's ligament, pterygospinal ligament. (05 Mar 2000) |
| pterygospinous ligament | <anatomy> A membranous ligament extending from the spine of the sphenoid to the upper part of the posterior border of the lateral pterygoid lamina. Synonym: ligamentum pterygospinale, Civinini's ligament, pterygospinal ligament. (05 Mar 2000) |