petrous


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pet·rous

(pĕt′rəs)
adj.
1. Of, relating to, or resembling rock, especially in hardness; stony.
2. Of or relating to the very dense, hard portion of the temporal bone that forms a protective case for the inner ear.
[Middle English, from Old French petros, from Latin petrōsus, rocky, from petra, rock, from Greek petrā; see per- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

petrous

(ˈpɛtrəs; ˈpiː-)
adj
1. (Anatomy) anatomy denoting the dense part of the temporal bone that surrounds the inner ear
2. rare like rock or stone
[C16: from Latin petrōsus full of rocks]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pet•rous

(ˈpɛ trəs, ˈpi-)

adj.
like stone, esp. in hardness; stony; rocky.
[1350–1400; Middle English (< Middle French petros) < Latin petrōsus rocky.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj. 1. petrous - (of bone especially the temporal bone) resembling stone in hardness
hard - resisting weight or pressure
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
According to our study, the superior and inferior length of IAM were about one fifth and one sixth of the length of petrous bone, respectively.
Anthropometry of internal acoustic meatus/Antropometria del meato acustico interno
Because of streak artifacts from the petrous bone, CT is usually unable to detect these changes.
Radiological case of the month: Jean-Marc Voyadzis, MD; Harish Panicker, MD; Kevin M. McGrail, md
Adam Petrous and Karel Rada found to their cost as Bowyer went biting into tackles all over the pitch.
Football UEFA Cup : SUPER BOWYER BURIES CZECHS; O'Leary gamble pays off as Lee turns it on
Radiologically the erosion of the petrous apex and erosion of foramen ovale, rotendum, superior orbital fissure and displacement of the internal carotid artery are characteristic and have diagnostic value.
A rare case of Schwannoma of trigeminal nerve with intraorbital extension
One possible cause is a cholesteatoma of the middle ear or petrous bone.
Vestibular dehiscence syndrome caused by a labyrinthine congenital cholesteatoma
Complications of CSOM are broadly classified into intratemporal (Coalescent mastoidoitis, facial nerve palsy, labyrinthitis and petrous apicitis) and intracranial complications (Meningitis, Extradural abscess, Subdural abscess, Brain abscess, Sigmoid sinus thrombosis and Otitic hydrocephalus).
Complications of recurrent cholesteatoma: a case report
Preoperative computed tomography demonstrated an unusually distended bony canal that passed through the superolateral portion of the right petrous bone.
Petrosquamosal sinus discovered during mastoidectomy, and its radiologic appearance on temporal bone CT: case report and brief review
There was a menace about his game that had been missing - as Adam Petrous and Karel Rada found to their cost as he went biting into tackles all over the pitch.
Football UEFA Cup: BRILLIANT BOWYER WRITES OFF CZECHS
They occur less frequently within the occipital, temporal, sphenoid, and petrous bones.
Giant hemangioma of face and scalp with intracranial and intra orbital extensions: a rare case report
High-resolution computed tomography (CT) of the patient's petrous bones elucidated abnormal soft-tissue density in the left middle ear cavity, with bony destruction (figure 1).
Ceruminous adenocarcinoma of the ear
Drilling of the petrous bone will often open up mastoid air cells, which communicate with the middle ear cavity.
CSF-otorrhoea: a rare complication of mastoidectomy
Facial paralysis in a patient with cholesterol cyst of the petrous bone.
Facial nerve palsy associated with a cystic lesion of the temporal bone

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