| pars orbitalis ossis frontalis | The portion of the frontal bone that contributes to the formation of the orbits; the most rostral of three cortical convolutions that togetther form the inferior frontal gyrus. Synonym: pars orbitalis ossis frontalis. (05 Mar 2000) |
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| pars petrosa ossis temporalis | The part of the temporal bone that contains the structures of the inner ear and the second part of the internal carotid artery; in antenatal life it appears as a separate ossification centre. Synonym: pars petrosa ossis temporalis, periotic bone, petrosal bone, petrous pyramid. (05 Mar 2000) |
| pars squamosa ossis temporalis | The broad, flat, thin (scale-like) anterior and superior portion of the temporal bone forming part of the lateral wall of the cranial vault. Synonym: pars squamosa ossis temporalis, squama temporalis, temporal squama. (05 Mar 2000) |
| pars tympanica ossis temporalis | The bony plate forming the greater part of the anterior wall of the bony part of the external acoustic meatus and the tympanic cavity and the posterior wall of the mandibular fossa. Synonym: pars tympanica ossis temporalis, tympanic part of temporal bone. (05 Mar 2000) |
| pecten ossis pubis | The continuation on the superior ramus pubis of the linea terminalis, forming a sharp ridge. Synonym: pecten ossis pubis, pectineal line of pubis. (05 Mar 2000) |
| collum ossis femoris | A short, constricted, strong bar projecting at an obtuse angle (about 125 |
| musculus extensor ossis metacarpi pollicis | <anatomy> Origin, interosseous membrane and posterior surfaces of radius and ulna; insertion, lateral side of base of first metacarpal bone; action, abducts and assists in extending thumb; nerve supply, radial. Synonym: musculus abductor pollicis longus, long abductor muscle of thumb, musculus extensor ossis metacarpi pollicis. (05 Mar 2000) |
| cornu majus ossis hyoidei | The larger and more lateral of the two processes on either side of the hyoid bone. Synonym: cornu majus ossis hyoidei. (05 Mar 2000) |
| cornu minus ossis hyoidei | The shorter and more medial of the two processes on either side of the hyoid bone. Synonym: cornu minus ossis hyoidei, styloid cornu. (05 Mar 2000) |
| crista conchalis ossis palatini | The ridge on the nasal surface of the perpendicular part of the palatine bone to which the inferior nasal concha attaches. Synonym: crista conchalis ossis palatini. (05 Mar 2000) |
| crista ethmoidalis ossis palatini | A ridge on the medial surface of the perpendicular part of the palatine bone to which the middle nasal concha attaches posteriorly. Synonym: crista ethmoidalis ossis palatini. (05 Mar 2000) |
| hamulus ossis hamati | A hooklike process on the distal and medial part of the palmar surface of the hamate bone. Synonym: hamulus ossis hamati. (05 Mar 2000) |
| processus articularis superior ossis sacri | The large process on each side of the sacrum posteriorly that articulates with the corresponding inferior articular process of the fifth lumbar vertebra. Synonym: processus articularis superior ossis sacri. (05 Mar 2000) |
| processus calcaneus ossis cuboidei | The process projecting posteriorly from the plantar surface of the cuboid; it supports the anterior end of the calcaneus. Synonym: processus calcaneus ossis cuboidei. (05 Mar 2000) |
| processus frontalis ossis zygomatici | The process of the zygomatic bone which extends upward to form the lateral margin of the orbit and articulates with the frontal bone and greater wing of the sphenoid bone. Synonym: frontosphenoidal process, processus frontalis ossis zygomatici. (05 Mar 2000) |