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Related Concept Videos

Cranial Nerves: Types Part II01:22

Cranial Nerves: Types Part II

Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves. While the first six innervate the head and neck, the latter six nerves innervate the head and neck, as well as organs and tissues in the thoracic and abdominal cavities. They facilitate communication, expression, and autonomic control within the human body.
Facial Nerve (Cranial Nerve VII)
Cranial nerve VII, or the facial nerve,...
Cranial Nerves: Types Part I01:14

Cranial Nerves: Types Part I

Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves, with the first six being essential in sensory perception, motor control, and autonomic functions related to the head and neck.
Olfactory Nerve (Cranial Nerve I)
The olfactory nerve, or cranial nerve I, is unique as it is purely sensory and dedicated to the sense of smell. This nerve originates in the olfactory epithelium of the...
Cranial Nerves: Overview and Anatomy01:19

Cranial Nerves: Overview and Anatomy

The cranial nerves are an important part of the complex network of nerves in the human body. These nerves emerge directly from the brain and are responsible for transmitting essential information between the brain and various parts of the head and neck. There are 12 pairs of cranial nerves, systematically numbered using Roman numerals from I to XII, beginning from the anterior and moving to the posterior of the brain. Each cranial nerve is uniquely identified by names that reflect its function...
Cranial Part of Parasympathetic Division01:18

Cranial Part of Parasympathetic Division

The cranial part of the parasympathetic division plays a crucial role in regulating the visceral functions of the head and specific structures in the neck, thoracic, and abdominopelvic cavities. Preganglionic fibers of the parasympathetic division exit the brain through cranial nerves III (oculomotor), VII (facial), IX (glossopharyngeal), and X (vagus), delivering parasympathetic output to the respective visceral structures.
The vagus nerve (cranial nerve X) alone accounts for approximately 75...
Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...

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Related Experiment Video

Updated: Jul 18, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
19:53

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Published on: March 1, 2015

Facial nerve schwannomas.

J C Dort, U Fisch

    Skull Base Surgery
    |January 1, 1991
    PubMed
    Summary

    Facial nerve schwannoma treatment outcomes were studied in 26 patients. Graft length/type did not affect facial nerve recovery, but prolonged dysfunction negatively impacted results.

    Area of Science:

    • Neurosurgery
    • Otolaryngology
    • Oncology

    Background:

    • Facial nerve schwannomas are rare tumors.
    • Understanding their clinical presentation and treatment outcomes is crucial for patient management.

    Purpose of the Study:

    • To describe clinical features, histologic findings, and functional recovery after treatment for facial nerve schwannomas.
    • To investigate the nature of intracranial facial nerve schwannomas and factors influencing recovery.

    Main Methods:

    • Retrospective study of 26 patients with facial nerve schwannomas.
    • Analysis of clinical presentation, tumor location, histology, and surgical outcomes.
    • Review of clinical, histologic, and radiologic evidence.

    Main Results:

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    Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration
    05:04

    Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration

    Published on: May 5, 2020

    Related Experiment Videos

    Last Updated: Jul 18, 2026

    Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
    19:53

    Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

    Published on: March 1, 2015

    Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration
    05:04

    Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration

    Published on: May 5, 2020

    • Facial dysfunction was most common with intracranial tumors; parotid masses characterized extratemporal tumors.
    • No significant differences in tumor histology were observed based on tumor site.
    • Graft length and type did not influence facial nerve recovery post-grafting.
    • Preoperative facial dysfunction duration negatively impacted functional recovery.

    Conclusions:

    • Intracranial facial nerve schwannomas may represent invasive acoustic schwannomas.
    • Surgical outcomes for facial nerve schwannomas depend on preoperative function, not graft characteristics.