- petrosomastoid
- SYN: petromastoid.
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pe·tro·so·mas·toid (pĕ-tro″so-masґtoid) petromastoid.
Medical dictionary. 2011.
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pe·tro·so·mas·toid (pĕ-tro″so-masґtoid) petromastoid.Medical dictionary. 2011.
petromastoid — Relating to the petrous and the squamous portions of the temporal bone, which are usually united at birth by the petrosquamosal suture. SYN: petrosomastoid. * * * pet·ro·mas·toid (pet″ro masґtoid) 1. pertaining to the petrous portion of the … Medical dictionary