| 单词 | petrous |
| 释义 | petrous adjective anatomyspecializeduk/ˈpet.rəs/us/ˈpet.rəs/relatingto the very hardsectionofbonesurroundingtheinnerear: 颞骨岩部的the petrousbone颞骨岩部 The ear
Examplesofpetrouspetrous It enters the middle cranial fossa through the greater (superficial) petrosal foramen (on the anterior surface of thepetroustemporal bone). From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.At the tip of thepetroustemporal bone it makes a sharp turn forward to enter the cavernous sinus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The inferior ganglion on the inferior surface ofpetrouspart of temporal is related with a triangular depression into which the aqueduct of cochlea opens. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It is separated from the posterior fossa by the clivus and thepetrouscrest. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.For example, fractures of thepetroustemporal bone can selectively damage the nerve, as can aneurysms of the intracavernous carotid artery. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It is directed superiorly, as per its nomenclature, and posteriorly, nearly parallel to the posterior surface of thepetrousbone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Surgeons use this method to reach the cavernous sinus, lateral sphenoid sinus, infra temporal fossa, pterygoid fossa, and thepetrousapex. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The lateral approach is then used to reach the medial cavernous sinus andpetrousapex. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Similar symptoms can also occur secondary topetrousfractures or to nasopharyngeal tumours. 4. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Its superior and inferior (petrous) ganglia contain the cell bodies of pain fibers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Thepetrousportion is among the most basal elements of the skull and forms part of the endocranium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Anteriorly it extends to the apex of thepetroustemporal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Before exiting the jugular foramen, the tympanic nerve enters thepetrousportion of the temporal bone and ascends via the inferior tympanic canaliculus to the tympanic cavity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The orifice of the aquductus vestibuli is the hind part of the medial wall; it extends to the posterior surface of thepetrousportion of the temporal bone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The most common cause of recurrent meningitis is a skull fracture, particularly fractures that affect the base of the skull or extend towards the sinuses andpetrouspyramids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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