petrous

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petrous

 [pet´rus]
resembling rock or stone; stony.

pet·rous

(pet'rŭs, pē'trŭs),
1. Of stony hardness.
2. Synonym(s): petrosal
[L. petrosus, fr. petra, a rock]

petrous

(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.

pet·rous

(pet'rŭs)
1. Of stony hardness.
2. Synonym(s): petrosal.
[L. petrosus, fr. petra, a rock]
References in periodicals archive ?
The petrous portion of the ICA is divided into vertical and horizontal segments that form a genu at their junction.
Aneurysms of the petrous portion of the ICA are usually discovered incidentally.
Computed tomography (CT) detected a soft-tissue mass that involved the petrous portion of the right temporal bone and extended into the posterior right parasellar area (figure).
The internal carotid artery enters the carotid canal in the petrous portion of the temporal bone.
The petrous portion of the temporal bone is a pyramid-shaped structure that extends medially and anteriorly toward the central skull base.
The endolymphatic sac, located between the dura and the posterior surface of the petrous portion of the temporal bone, originates in the neuroectoderm and is lined with both columnar and simple cuboidal epithelium.