| processus costalis | An apophysis extending laterally from the transverse process of a lumbar vertebra; it is the homologue of the rib. Synonym: processus costalis. (05 Mar 2000) |
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| processus ethmoidalis | A projection of the inferior concha, situated behind the lacrimal process and articulating with the uncinate process of the ethmoid. Synonym: processus ethmoidalis. (05 Mar 2000) |
| processus falciformis | A continuation of the inner border of the sacrotuberous ligament upward and forward on the inner aspect of the ramus of the ischium. Synonym: processus falciformis, falciform ligament, ligamentum falciforme. (05 Mar 2000) |
| processus ferreini | The centre of the renal lobule, which has the shape of a small, steep pyramid, consisting of straight tubular parts; these may be either ascending or descending limbs of the nephronic loop or collecting tubules. Synonym: pars radiata lobuli corticalis renis, Ferrein's pyramid, processus ferreini. (05 Mar 2000) |
| processus gracilis | 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) |
| processus intrajugularis | A small pointed process of bone extending from the middle of the jugular notch in both the occipital and the temporal bones, the two being joined by a ligament and dividing the jugular foramen into two portions. Synonym: processus intrajugularis. (05 Mar 2000) |
| processus jugularis | A short process jutting out from the posterior part of the condyle of the occipital bone, its anterior border forming the posterior boundary of the jugular foramen. Synonym: processus jugularis. (05 Mar 2000) |
| processus lacrimalis | A projection from the anterior edge of the inferior concha which articulates with the lower border of the lacrimal bone. Synonym: processus lacrimalis. (05 Mar 2000) |
| processus lateralis mallei | A short projection from the base of the manubrium of the malleus, attached firmly to the drum membrane. Synonym: processus lateralis mallei, processus brevis, short process of malleus, tuberculum mallei. (05 Mar 2000) |
| processus lateralis tali | A projection on the lateral side of the talus below the malleolar articular surface. Synonym: processus lateralis tali. (05 Mar 2000) |
| processus lateralis tuberis calcanei | The lateral projection from the posterior part of the calcaneus. Synonym: processus lateralis tuberis calcanei. (05 Mar 2000) |
| processus lenticularis incudis | A knob at the tip of the long limb of the incus which articulates with the stapes. Synonym: processus lenticularis incudis, lenticular apophysis, lenticular bone, orbicular bone, orbicular process, orbiculare, os orbiculare, os sylvii. (05 Mar 2000) |
| 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) |
| 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) |