Definition of Petrosal

1. a. Hard; stony; petrous; as, the petrosal bone; petrosal part of the temporal bone.

2. n. A petrosal bone.

Definition of Petrosal

1. Adjective. (anatomy) Of, pertaining to, or located near the petrous part of the temporal bone ¹

¹ Source:

Definition of Petrosal

1. petrous [adj] - See also: petrous

Medical Definition of Petrosal

1. Hard; stony; petrous; as, the petrosal bone; petrosal part of the temporal bone. Of, pertaining to, or in the region of, the petrous, or petrosal, bone, or the corresponding part of the temporal bone. Petrosal bone, a bone corresponding to the petrous portion of the temporal bone of man; or one forming more or less of the periotic capsule. See: Petrous. A petrosal bone. The auditory capsule. Source: Websters Dictionary (01 Mar 1998)

Petrosal Pictures

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Lexicographical Neighbors of Petrosal

petrosal (current term)
petrosal bone
petrosal branch of middle meningeal artery
petrosal foramen
petrosal fossa
petrosal fossula
petrosal impression of the pallium
petrosal sinus
petrosal sinus sampling
petrosal vein
petroselinic acid

Literary usage of Petrosal

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

1. Anatomy, Descriptive and Applied by Henry Gray (1913)
"639) is situated in the inferior petrosal sulcus formed by the junction of the ... The inferior petrosal sinus receives the internal auditory veins and also ..."

2. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"The Inferior petrosal sinus is situated in the groove formed by the ... The inferior petrosal sinus receives the veins from the internal ear and also veins ..."

3. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1906)
"Auriculo-temporal nerve. the otic ganglion (Arnold's) through the small superficial petrosal nerve. At their entrance into the medulla oblongata the 7th, ..."

4. On the Archetype and Homologies of the Vertebrate Skeleton by Richard Owen (1848)
"5, a) in the class Pisces. But none of these are essential characters of the petrosal. The petrosal is a contentum and not ..."

5. Report of the Annual Meeting (1847)
"M. Agassiz is perfectly accurate in his character of the petrosal, according to its relative position, as completely investing the entire labyrinth (of ..."

6. The Brain Considered Anatomically, Physiologically and Philosophically by Emanuel Swedenborg, Rudolph Leonhard Tafel (1887)
"The Superior petrosal Sinuses. 30. Concerning these sinuses Swedenborg says, ... Again he says, " The superior petrosal sinus applies itself to the same ..."

7. Anatomy of the Human Body by Henry Gray (1918)
"At the genicular ganglion With the sphenopalatine ganglion by the greater superficial petrosal nerve. With the otic ganglion by a branch which joins the ..."

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