1. 
   Petrosal
   Pe·tro'sal adjective [ See Petrous .] (Anat.) (a) Hard; stony; petrous; as, the petrosal bone; petrosal part of the temporal bone. (b) Of, pertaining to, or in the region of, the petrous, or petrosal, bone, ...
   Found op http://www.encyclo.co.uk/webster/P/67
   
   
2. 
   Petrosal
   Pe·tro'sal noun (Anat.) (a) A petrosal bone. (b) The auditory capsule. Owen.
   Found op http://www.encyclo.co.uk/webster/P/67
   
   
3. 
   petrosal
   <anatomy> Hard; stony; petrous; as, the petrosal bone; petrosal part of the temporal bone. ... Of, pertaining to, or in the region of, the petrous, or petrosal, bone, or the corresponding part of the temporal bone. ... <anatomy> Petrosal bone, a bone corresponding to the petrous portion ...
   Found op http://www.mondofacto.com/facts/dictionary?petrosal
   
   
4. 
   petrosal
   (pә-tro´sәl) pertaining to the pars petrosa, or petrous portion of the temporal bone.
   Found op http://www.encyclo.co.uk/local/21001
   
   
5. 
   Petrosal
   • (n.) A petrosal bone. • (a.) Of, pertaining to, or in the region of, the petrous, or petrosal, bone, or the corresponding part of the temporal bone. • (a.) Hard; stony; petrous; as, the petrosal bone; petrosal part of the temporal bone. • (n.) The auditory capsule.
   Found op http://thinkexist.com/dictionary/meaning/petrosal/
   
   
6. 
   petrosal
   Type: Term Pronunciation: pe-trō′săl Definitions: 1. Relating to the petrosa. Synonyms: petrous2
   Found op http://www.medilexicon.com/medicaldictionary.php?t=67562
   
   
7. 
   petrosal
   adjective, Latin petrosus = rocky.
   Found op http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?
   
   

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