loading...| Preferred Name |
petrous part of temporal bone |
| Synonyms |
petrosal bone pars petrosa ossis temporalis pars petrosa (os temporale) petromastoid part of temporal bone temporal bone petrous part petrous bone petrosal |
| Definitions |
The petrous portion of the temporal bone or pyramid is pyramidal and is wedged in at the base of the skull between the sphenoid and occipital bones. Directed medially, forward, and a little upward, it presents for examination a base, an apex, three surfaces, and three angles, and contains, in its interior, the essential parts of the organ of hearing. The petrous portion is among the most basal elements of the skull and forms part of the endocranium.[WP,unvetted]. |
| ID |
http://purl.obolibrary.org/obo/UBERON_0001694 |
| database_cross_reference |
VHOG:0001553 FMA:52871 MA:0001477 NCIT:C32316 MESH:D010579 EMAPA:17683 Wikipedia:Petrous_part_of_the_temporal_bone EHDAA2:0001452 GAID:234 UMLS:C1261761 SCTID:361733004 |
| definition |
The petrous portion of the temporal bone or pyramid is pyramidal and is wedged in at the base of the skull between the sphenoid and occipital bones. Directed medially, forward, and a little upward, it presents for examination a base, an apex, three surfaces, and three angles, and contains, in its interior, the essential parts of the organ of hearing. The petrous portion is among the most basal elements of the skull and forms part of the endocranium.[WP,unvetted]. |
| depicted by |
http://upload.wikimedia.org/wikipedia/commons/9/96/Gray137.png |
| has_broad_synonym |
petrosal |
| has_exact_synonym |
pars petrosa ossis temporalis pars petrosa (os temporale) petromastoid part of temporal bone temporal bone petrous part |
| has_obo_namespace |
uberon |
| has_related_synonym |
petrosal bone petrous bone |
| id |
UBERON:0001694 |
| in_subset | |
| label |
petrous part of temporal bone |
| notation |
UBERON:0001694 |
| part_of | |
| prefLabel |
petrous part of temporal bone |
| treeView | |
| UBPROP_0000001 |
The petrosal bone arises from the two otic bones on the lateral wall of the chondrocranium and encases the inner ear of mammals. [Bemis_WE, Functional_Anatomy_of_the_Vertebrates:_An_Evolutionary_Perspective, Grande_L, Third_Edition_(2001)_Orlando_Fla.:_Harcourt_College_Publishers, Walker_WF, p.258, see_Liem_KF][VHOG] |
| UBPROP_0000008 |
derivative of prootic and opisthotic |
| subClassOf |