Terminology Service for NFDI4Health
petrous part of temporal bone
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http://purl.obolibrary.org/obo/UBERON_0001694
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]. [ http://en.wikipedia.org/wiki/Petrous_part_of_the_temporal_bone ]
Term info
Label
petrous part of temporal bone
Synonyms
- pars petrosa (os temporale)
- pars petrosa ossis temporalis
- petromastoid part of temporal bone
- temporal bone petrous part
Subsets
uberon_slim
depicted by
http://upload.wikimedia.org/wikipedia/commons/9/96/Gray137.png
external definition
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]
has broad synonym
petrosal
has obo namespace
uberon
has related synonym
petrous bone, petrosal bone
id
UBERON:0001694
taxon notes
derivative of prootic and opisthotic
Term relations
Subclass of: