| petrosphenoid | Relating to the petrous portion of the temporal bone and to the sphenoid bone. (05 Mar 2000) |
|---|---|
| petrosphenoidal syndrome | <syndrome> Neoplastic infiltration of the apex of the petrous bone and the anterior part of the foramen lacerum. (05 Mar 2000) |
| petrosquamosal | Petrosquamous Relating to the petrous and the squamous portions of the temporal bone. Synonym: squamopetrosal. (05 Mar 2000) |
| petrosquamous fissure | A shallow fissure indicating externally the line of fusion of the petrous and squamous portions of the temporal bone. Synonym: fissura petrosquamosa. (05 Mar 2000) |
| petrostaphylinus | An obsolete term for the levator veli palatini muscle. Origin: G. Petra, stone, + staphyle, uvula (05 Mar 2000) |
| petrostearine | A solid unctuous material, of which candles are made. Origin: Petro + stearine. Source: Websters Dictionary (01 Mar 1998) |
| petrotympanic fissure | A fissure between the tympanic and petrous portions of the temporal bone; it transmits the chorda tympani nerve through a small patent portion, the anterior canaliculus of the chorda tympani. Synonym: fissura petrotympanica, glaserian fissure. (05 Mar 2000) |
| petrous | 1. Like stone; hard; stony; rocky; as, the petrous part of the temporal bone. 2. <anatomy> Same as Petrosal. Origin: L. Petrosus, fr. Petra a stone. Source: Websters Dictionary (01 Mar 1998) |
| petrous bone | <anatomy, artery> The part of the internal carotid artery in the carotid canal; its branches are carotidotympanic arteries and the artery of the pterygoid canal. Synonym: pars petrosa arteriae carotidis internae, petrous bone. (05 Mar 2000) |
| petrous ganglion | <anatomy, nerve> The lower of two sensory ganglion's on the glossopharyngeal nerve as it traverses the jugular foramen. Synonym: ganglion inferius nervi glossopharyngei, Andersch's ganglion, extracranial ganglia, ganglion extracraniale, petrosal ganglion, petrous ganglion. (05 Mar 2000) |
| petrous part of internal carotid artery | <anatomy, artery> The part of the internal carotid artery in the carotid canal; its branches are carotidotympanic arteries and the artery of the pterygoid canal. Synonym: pars petrosa arteriae carotidis internae, petrous bone. (05 Mar 2000) |
| petrous part of temporal bone | 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) |
| petrous pyramid | 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) |
| petrousitis | An inflammation involving the petrous portion of the temporal bone and its air cells. Synonym: petrousitis. (05 Mar 2000) |
| Pette, H | <person> German neuropathologist, 1887-1964. See: Pette-Doring disease. (05 Mar 2000) |