Definition of Petrous

1. Adjective. (of bone especially the temporal bone) resembling stone in hardness.

Exact synonyms: Stonelike
Similar to: Hard

Definition of Petrous

1. a. Like stone; hard; stony; rocky; as, the petrous part of the temporal bone.

Definition of Petrous

1. Adjective. Resembling rock or stone in its hardness ¹

2. Adjective. Of the dense portion of the temporal bone that protects the inner ear. ¹

¹ Source:

Definition of Petrous

1. resembling stone in hardness [adj]

Medical Definition of Petrous

1. 1. Like stone; hard; stony; rocky; as, the petrous part of the temporal bone. 2. Same as Petrosal. Origin: L. Petrosus, fr. Petra a stone. Source: Websters Dictionary (01 Mar 1998)

Petrous Pictures

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Lexicographical Neighbors of Petrous

petrosphenoidal syndrome
petrosquamous fissure
petrotympanic fissure
petrous (current term)
petrous bone
petrous ganglion
petrous part of internal carotid artery
petrous part of temporal bone
petrous pyramid

Literary usage of Petrous

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"petrous Portion.—When the internal carotid artery enters the canal in the petrous portion of the temporal bone, it first ascends a short distance, ..."

2. Physical anthropology of the Lenape or Delawares, and of the eastern Indians by Aleš Hrdlička (1916)
"In examining the petrous parts in the usual way, with the skull turned hase upward, it is observed that in modern men of all races, in the majority of cases ..."

3. Anatomy, Descriptive and Applied by Henry Gray (1910)
"The petrous portion is a pyramidal process of bone wedged in at the base of the ... The apex of the petrous portion, rough and uneven, is received into the ..."

4. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1899)
"The Electric Lathe and Burr in Operations on the Mastoid and petrous Portions of the Temporal Bone.—E. LOMBARD (Ann. dts mal. de ..."

5. Manual of Diseases of the Ear, Nose, and Throat by John Johnson Kyle (1911)
"The apex of the pyramidal or petrous process articulates with the sphenoidal and ... The descending plates join the petrous portion internally at the ..."

6. Medical lexicon by Robley Dunglison (1851)
"Belonging to the petrous portion of the temporal bone and to the occipital \ioue. PETRO-OCCIPITAL SUTURE is formed by junction of the petrous portion of the ..."

7. Brain Abscess: Its Surgical Pathology and Operative Technic by Wells Phillips Eagleton (1922)
"SECTION IL In the Anterior Portion of the Cerebellum Originating from Infection of the petrous Pyramid. ORIGIN. , The labyrinth is so frequently the cause ..."

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