| 词汇 | petrosal |
| 释义 | petrosal adjective medical specializeduk /pɪˈtrəʊ.səl/ us /pɪˈtroʊ.səl/ relating to the very hard section of bone surrounding the inner ear: 颞骨岩部的 the petrosal bone颞骨岩部 The ear antihelix antitragus audiological audiology auditory tube cochlea eardrum earlobe incus labyrinth labyrinthitis malleus mastoid cell membranous labyrinth organ of Corti saccule sacculus semicircular canal snug piercing stapedial Examples of petrosalpetrosal It is located posterior to the groove for the superior petrosal sinus and posterolateral to the jugular foramen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It enters the middle cranial fossa through the greater (superficial) petrosal foramen (on the anterior surface of the petrous temporal bone). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The first is the greater petrosal nerve and the second is the chorda tympani. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mucous membranes receive their postganglionic parasympathetic nerve innervation for mucous secretion originating from the greater petrosal nerve (a branch of the facial nerve). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The visceral motor fibers pass through this plexus and merge to become the lesser petrosal nerve. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Division of the superior petrosal sinus may be required to gain sufficient access to the posterior fossa with larger tumors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Also, to prevent peduncular hallucinosis and other complications due to venous congestion, these types of surgeries should protect the petrosal vein when possible. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The greater petrosal nerve, which carries sensory fibers as well as preganglionic parasympathetic fibers, emerges from the anterior aspect of the ganglion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The inferior petrosal sinus receives the internal auditory veins and also veins from the medulla oblongata, pons, and under surface of the cerebellum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The junction of the inferior petrosal sinus with the internal jugular vein takes place on the lateral aspect of the nerves. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its medial half is marked by a sulcus, which forms, with a corresponding sulcus on the occipital bone, the channel for the inferior petrosal sinus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Just distal to the geniculate ganglion, the facial nerve gives off the greater petrosal nerve. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The nasal glands are innervated with secretomotor from the greater petrosal nerve. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The lesser petrosal nerve re-enters and travels through the temporal bone to emerge in the middle cranial fossa just lateral to the greater petrosal nerve. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The lesser petrosal nerve then travels anteriorly from the hiatus toward the foramen ovale, through which it exits the cranial cavity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of petrosal 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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