| processus mamillaris | A small apophysis or tubercle on the dorsal margin of the superior articular process of each of the lumbar vertebrae and usually of the twelfth thoracic vertebra. Synonym: processus mamillaris, mamillary tubercle, metapophysis. (05 Mar 2000) |
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| processus mastoideus | The nipple-like projection of the petrous part of the temporal bone. Synonym: processus mastoideus, mastoid bone, temporal apophysis. (05 Mar 2000) |
| processus maxillaris | A thin plate of irregular form projecting from the middle of the upper border of the inferior concha, articulating with the maxilla bone and partly closing the orifice of the maxillary sinus. Synonym: processus maxillaris. (05 Mar 2000) |
| processus medialis tuberis calcanei | The medial projection from the posterior part of the calcaneus. Synonym: processus medialis tuberis calcanei. (05 Mar 2000) |
| processus muscularis cartilaginis arytenoidei | The blunt lateral projection of the arytenoid cartilage giving attachment to the lateral and posterior cricoarytenoid muscles of the larynx. Synonym: processus muscularis cartilaginis arytenoidei. (05 Mar 2000) |
| processus orbitalis | The anterior and larger of the two processes at the upper extremity of the vertical plate of the palatine bone, articulating with the maxilla, ethmoid, and sphenoid bones. Synonym: processus orbitalis. (05 Mar 2000) |
| processus palatinus | In the embryo, medially directed shelves from the oral surface of the maxillae; they develop into the secondary palate after midline fusion. Synonym: processus palatinus. (05 Mar 2000) |
| processus papillaris | The left lower angle of the caudate lobe of the liver, opposite the caudate process. Synonym: processus papillaris. (05 Mar 2000) |
| processus paramastoideus | An occasional process of bone extending downward from the jugular process of the occipital bone in humans. Synonym: processus paramastoideus, paroccipital process. (05 Mar 2000) |
| processus posterior cartilaginis septi nasi | The tapering extension of the septal cartilage that lies between the perpendicular plate of the ethmoid and the vomer. Synonym: processus posterior cartilaginis septi nasi, processus sphenoidalis cartilaginis septi nasi, sphenoid process of septal cartilage. (05 Mar 2000) |
| processus posterior tali | A projection of the talus bearing medial and lateral tubercles; it is posterior and inferior to the trochlea. Synonym: processus posterior tali, Stieda's process. (05 Mar 2000) |
| processus pterygoideus | A long process extending downward from the junction of the body and great wing of the sphenoid bone on either side; it is formed of two plates (lateral and medial), united anteriorly but separated below to form the pterygoid notch; the pterygoid fossa is formed by the divergence of these two plates posteriorly. Synonym: processus pterygoideus, os pterygoideum. (05 Mar 2000) |
| processus pterygospinosus | A sharp projection from the posterior edge of the lateral pterygoid plate of the sphenoid bone. Synonym: processus pterygospinosus, Civinini's process. (05 Mar 2000) |
| processus pyramidalis | The portion of the palatine bone passing lateral and posterior from the angle formed by the vertical and horizontal plates. Synonym: processus pyramidalis. (05 Mar 2000) |
| processus ravii | A slender spur running anteriorward from the neck of the malleus toward the petrotympanic fissure. Synonym: processus anterior mallei, Folli's process, follian process, long process of malleus, processus gracilis, processus ravii, Rau's process, Ravius' process, slender process of malleus. (05 Mar 2000) |