| Analysis of the search query | where does the motor portion of the vagus nerve (cranial nerve x) originate |
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Top competitors on query "where does the motor portion of the vagus nerve (cranial nerve x) originate"
http://quizlet.com/6032172/chapter-14-the-autonomic-nervous-system-flash-cards/ Competition: low
TRUE The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions. A) medulla B) cerebellum C) hypothalamus D) thalamus C) hypothalamus Which of these effectors is not directly controlled by the autonomic nervous system? A) smooth muscle B) cardiac muscle C) skeletal muscle D) most glands C) skeletal muscle Which of the following is not a result of parasympathetic stimulation? A) salivation B) dilation of the pupils C) increased peristalsis of the digestive viscera D) elimination of urine B) dilation of the pupils Which of the following statements is not true? A) Sympathetic origin is craniosacral; parasympathetic is thoracolumbar
brain stem: Definition from Answers.com
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Most vital of all is the network that generates the rhythm and the command for breathing movements and that mediates the central and reflex adjustment of these to match metabolic demands. From above down these are the midbrain; a bridge-like structure, the pons; and the medulla oblongata, which merges below with the spinal cord.From the brain stem emerge pairs of cranial nerves, analogous to the spinal nerves that innervate the limbs and trunk
http://radiopaedia.org/articles/facial-nerve Competition: low
It gives off three branches: nerve to stapedius chorda tympani - terminal branch of the nervus intermedius carrying both secretomotor fibres to the submandibular gland and sublingual gland and taste to the anterior two thirds of the tongue. Tympanic segmentAs the nerve passes posteriorly from the geniculate ganglion it becomes the tympanic segment (8-11 mm in length), and is immediately beneath the lateral semicircular canal in the medial wall of the middle ear cavity
http://en.wikivet.net/Cranial_Nerves_-_Anatomy_%26_Physiology Competition: low
There are a number of intermediate branches which separate from the main facial nerve inside the facial canal including the greater petrosal nerve, the stapedial nerve (motor) and the chorda tympani. On exiting the infraorbital canal via the infraorbital foramen, the maxillary nerve branches again into the zygomatic nerve which supplies sensory fibres to the horn and to the pterygopalatine nerve supplying sensory fibres to the palate
Cranial Nerve Diseases Terms and Definitions at www.MedicalGlossary.org
http://www.medicalglossary.org/nervous_system_diseases_cranial_nerve_diseases_definitions.html Competition: low
With the exception of the optic and olfactory nerves, this includes disorders of the brain stem nuclei from which the cranial nerves originate or terminate. The nerve may be injured along its course in the pons, intracranially as it travels along the base of the brain, in the cavernous sinus, or at the level of superior orbital fissure or orbit
http://www.braininjury.com/cranial-nerve-injury.shtml Competition: low
Terms used to describe problems in this include: Dysnosmia - impaired sense of smell Ansomia - Complete lost of smell Prosmia - Sensation of smell without cause Cosmia - Smelling an offensive odor that does not exist Generally cranial nerves are not injured in cases of mild tbi. Hypoglossal Somatic motor - Movement of the tongue One of the most commonly injured cranial nerves is cranial nerve I the olfactory nerve, which controls the sense of smell
http://www.fastbleep.com/medical-notes/neuro-and-psych/2/95/610 Competition: low
Brainstem Nuclei Overview Cranial nerve foramina Abbreviations Explaination S.O.F- Superior Orbital Fissure F.- Foramen I.A.M- Internal Acoustic Meatus CN I Course Cranial nerve exit foramen: Cribriform plate of the Ethmoid bone CNI is the only cranial nerve to enter the cerebrum directly. CN IV Course Cranial nerve exit foramen: Superior orbital fissure CN IV is unique in that it is the only cranial nerve to arise from the dorsal brain stem
Nervous System: Explore the Nerves with Interactive Anatomy Pictures
http://www.innerbody.com/image/nervov.html Competition: low
Rods are sensitive enough to respond to a single photon, the basic unit of light, but together they create only one coarse, gray image, which is just adequate for seeing in poor light. It delivers nerve signals to and from the muscles and skin of the thighs, lower legs and feet.The sciatic nerve forms from the merger of the fourth and fifth lumbar nerves with the first, second, and third sacral nerves
The Peripheral Nervous System
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/PNS.html Competition: low
In short, stimulation of the sympathetic branch of the autonomic nervous system prepares the body for emergencies: for "fight or flight" (and, perhaps, enhances the memory of the event that triggered the response). During their periods of meditation, these people are clearly able to alter a number of autonomic functions including heart rate and the rate of oxygen consumption
http://library.med.utah.edu/neurologicexam/html/cranialnerve_anatomy.html Competition: low
The reason for this is that it has the longest intracranial route of the cranial nerves, therefore it is the most susceptible to pressure that can occur with any cause of increased intracranial pressure. The axons for the descending tract of the 5th nerve (pain and temperature) descend to the level of the upper cervical spinal cord before they synapse with neurons of the nucleus of the descending tract of the 5th nerve
cranial nerves
http://home.comcast.net/~wnor/cranialnerves.htm Competition: low
You sort of have to memorize which nerves have motor or sensory or both modalities, then consider what part of the head and neck is involved with each nerve
cranial nerve: Definition from Answers.com
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Motor fibers are classified as (1) somatic motor (sm) if they carry information to somatic striated muscles, (2) general visceral motor (gvm) if they carry information to glands, smooth muscle, or cardiac muscle, and (3) special visceral motor (svm) if they carry information to visceral striated muscle. Nerve fibers are sensory if they carry information from the periphery to the brain, and motor if they carry information from the brain to the periphery
What is the function of the Vagus nerve?
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The pharyngeal branch moves through the internal as well as the external carotid arteries and then enters the pharynx placed at the upper border inside the middle constrictor muscle. The internal branch is completely sensory while the external branch moves through the cricothyroid muscle which is supplied by the second superial laryngeal nerve branch
Cranial Nerve VII: The Facial Nerve and Taste - Clinical Methods - NCBI Bookshelf
http://www.ncbi.nlm.nih.gov/books/NBK385/ Competition: low
There are also central connections between the facial nucleus and the nuclei or projection systems of the second, third, fourth, sixth, and eighth cranial nerves. They go to (a) the lacrimal, nasal, and palatine glands (via the greater superficial petrosal nerve) and (b) the submandibular and sublingual salivary glands (via the chorda tympani nerve).The gustatory (solitary) nucleus in the medulla supplies sensory fibers
vagus nerve - definition of vagus nerve in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia.
http://medical-dictionary.thefreedictionary.com/vagus+nerve Competition: low
hypoglossal nerve twelfth cranial nerve; origin, several rootlets in the anterolateral sulcus between the olive and the pyramid of the medulla oblongata; it passes through the hypoglossal canal to the tongue; branches, lingual branches; distribution, styloglossus, hyoglossus, and genioglossus muscles and intrinsic muscles of the tongue; modality, motor. tibial nerve tibial nerve: origin, sciatic nerve in lower part of thigh; branches, interosseous nerve of leg, medial cutaneous nerve of calf, sural nerve, and medial and lateral plantar nerves, and muscular and medial calcaneal branches; distribution, while still incorporated in the sciatic nerve, it supplies the semimembranous and semitendinous muscles, long head of biceps, and great adductor muscle; it supplies the knee joint as it descends in the popliteal fossa and, continuing into the leg, supplies the muscles and skin of the calf and sole of the foot, and the toes; modality, general sensory and motor
Cranial Nerve XI: The Spinal Accessory Nerve - Clinical Methods - NCBI Bookshelf
http://www.ncbi.nlm.nih.gov/books/NBK387/ Competition: low
Some controversy centers on whether all or part of the muscle is supplied by the spinal accessory nerve; many believe only its upper portion is supplied by the eleventh nerve. Each one (1) rotates the head to the opposite side of the body, that is, away from the side of the muscle; (2) tilts the head to the same side of the body
Cranial nerve - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Cranial_nerve Competition: low
A useful mnemonic for remembering which nerves are motor (M), sensory (S), or both (B) is, "Some Say Marry Money But My Brother Says Big Brains Matter More". An unlabelled version is here Latin nervus cranialis (plural: nervi craniales) Code TA A14.2.00.038 Cranial nerves are nerves that emerge directly from the brain, in contrast to spinal nerves, which emerge from segments of the spinal cord
Vagus nerve - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Vagus_nerve Competition: low
Upon leaving the medulla between the medullary pyramid and the inferior cerebellar peduncle, it extends through the jugular foramen, then passes into the carotid sheath between the internal carotid artery and the internal jugular vein down below the head, to the neck, chest and abdomen, where it contributes to the innervation of the viscera. The motor division of the vagus nerve is derived from the basal plate of the embryonic medulla oblongata, while the sensory division originates from the cranial neural crest
TRUE The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions. A) medulla B) cerebellum C) hypothalamus D) thalamus C) hypothalamus Which of these effectors is not directly controlled by the autonomic nervous system? A) smooth muscle B) cardiac muscle C) skeletal muscle D) most glands C) skeletal muscle Which of the following is not a result of parasympathetic stimulation? A) salivation B) dilation of the pupils C) increased peristalsis of the digestive viscera D) elimination of urine B) dilation of the pupils Which of the following statements is not true? A) Sympathetic origin is craniosacral; parasympathetic is thoracolumbar
brain stem: Definition from Answers.com
Most vital of all is the network that generates the rhythm and the command for breathing movements and that mediates the central and reflex adjustment of these to match metabolic demands. From above down these are the midbrain; a bridge-like structure, the pons; and the medulla oblongata, which merges below with the spinal cord.From the brain stem emerge pairs of cranial nerves, analogous to the spinal nerves that innervate the limbs and trunk
It gives off three branches: nerve to stapedius chorda tympani - terminal branch of the nervus intermedius carrying both secretomotor fibres to the submandibular gland and sublingual gland and taste to the anterior two thirds of the tongue. Tympanic segmentAs the nerve passes posteriorly from the geniculate ganglion it becomes the tympanic segment (8-11 mm in length), and is immediately beneath the lateral semicircular canal in the medial wall of the middle ear cavity
There are a number of intermediate branches which separate from the main facial nerve inside the facial canal including the greater petrosal nerve, the stapedial nerve (motor) and the chorda tympani. On exiting the infraorbital canal via the infraorbital foramen, the maxillary nerve branches again into the zygomatic nerve which supplies sensory fibres to the horn and to the pterygopalatine nerve supplying sensory fibres to the palate
Cranial Nerve Diseases Terms and Definitions at www.MedicalGlossary.org
With the exception of the optic and olfactory nerves, this includes disorders of the brain stem nuclei from which the cranial nerves originate or terminate. The nerve may be injured along its course in the pons, intracranially as it travels along the base of the brain, in the cavernous sinus, or at the level of superior orbital fissure or orbit
Terms used to describe problems in this include: Dysnosmia - impaired sense of smell Ansomia - Complete lost of smell Prosmia - Sensation of smell without cause Cosmia - Smelling an offensive odor that does not exist Generally cranial nerves are not injured in cases of mild tbi. Hypoglossal Somatic motor - Movement of the tongue One of the most commonly injured cranial nerves is cranial nerve I the olfactory nerve, which controls the sense of smell
Brainstem Nuclei Overview Cranial nerve foramina Abbreviations Explaination S.O.F- Superior Orbital Fissure F.- Foramen I.A.M- Internal Acoustic Meatus CN I Course Cranial nerve exit foramen: Cribriform plate of the Ethmoid bone CNI is the only cranial nerve to enter the cerebrum directly. CN IV Course Cranial nerve exit foramen: Superior orbital fissure CN IV is unique in that it is the only cranial nerve to arise from the dorsal brain stem
Nervous System: Explore the Nerves with Interactive Anatomy Pictures
Rods are sensitive enough to respond to a single photon, the basic unit of light, but together they create only one coarse, gray image, which is just adequate for seeing in poor light. It delivers nerve signals to and from the muscles and skin of the thighs, lower legs and feet.The sciatic nerve forms from the merger of the fourth and fifth lumbar nerves with the first, second, and third sacral nerves
The Peripheral Nervous System
In short, stimulation of the sympathetic branch of the autonomic nervous system prepares the body for emergencies: for "fight or flight" (and, perhaps, enhances the memory of the event that triggered the response). During their periods of meditation, these people are clearly able to alter a number of autonomic functions including heart rate and the rate of oxygen consumption
The reason for this is that it has the longest intracranial route of the cranial nerves, therefore it is the most susceptible to pressure that can occur with any cause of increased intracranial pressure. The axons for the descending tract of the 5th nerve (pain and temperature) descend to the level of the upper cervical spinal cord before they synapse with neurons of the nucleus of the descending tract of the 5th nerve
cranial nerves
You sort of have to memorize which nerves have motor or sensory or both modalities, then consider what part of the head and neck is involved with each nerve
cranial nerve: Definition from Answers.com
Motor fibers are classified as (1) somatic motor (sm) if they carry information to somatic striated muscles, (2) general visceral motor (gvm) if they carry information to glands, smooth muscle, or cardiac muscle, and (3) special visceral motor (svm) if they carry information to visceral striated muscle. Nerve fibers are sensory if they carry information from the periphery to the brain, and motor if they carry information from the brain to the periphery
What is the function of the Vagus nerve?
The pharyngeal branch moves through the internal as well as the external carotid arteries and then enters the pharynx placed at the upper border inside the middle constrictor muscle. The internal branch is completely sensory while the external branch moves through the cricothyroid muscle which is supplied by the second superial laryngeal nerve branch
Cranial Nerve VII: The Facial Nerve and Taste - Clinical Methods - NCBI Bookshelf
There are also central connections between the facial nucleus and the nuclei or projection systems of the second, third, fourth, sixth, and eighth cranial nerves. They go to (a) the lacrimal, nasal, and palatine glands (via the greater superficial petrosal nerve) and (b) the submandibular and sublingual salivary glands (via the chorda tympani nerve).The gustatory (solitary) nucleus in the medulla supplies sensory fibers
vagus nerve - definition of vagus nerve in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia.
hypoglossal nerve twelfth cranial nerve; origin, several rootlets in the anterolateral sulcus between the olive and the pyramid of the medulla oblongata; it passes through the hypoglossal canal to the tongue; branches, lingual branches; distribution, styloglossus, hyoglossus, and genioglossus muscles and intrinsic muscles of the tongue; modality, motor. tibial nerve tibial nerve: origin, sciatic nerve in lower part of thigh; branches, interosseous nerve of leg, medial cutaneous nerve of calf, sural nerve, and medial and lateral plantar nerves, and muscular and medial calcaneal branches; distribution, while still incorporated in the sciatic nerve, it supplies the semimembranous and semitendinous muscles, long head of biceps, and great adductor muscle; it supplies the knee joint as it descends in the popliteal fossa and, continuing into the leg, supplies the muscles and skin of the calf and sole of the foot, and the toes; modality, general sensory and motor
Cranial Nerve XI: The Spinal Accessory Nerve - Clinical Methods - NCBI Bookshelf
Some controversy centers on whether all or part of the muscle is supplied by the spinal accessory nerve; many believe only its upper portion is supplied by the eleventh nerve. Each one (1) rotates the head to the opposite side of the body, that is, away from the side of the muscle; (2) tilts the head to the same side of the body
Cranial nerve - Wikipedia, the free encyclopedia
A useful mnemonic for remembering which nerves are motor (M), sensory (S), or both (B) is, "Some Say Marry Money But My Brother Says Big Brains Matter More". An unlabelled version is here Latin nervus cranialis (plural: nervi craniales) Code TA A14.2.00.038 Cranial nerves are nerves that emerge directly from the brain, in contrast to spinal nerves, which emerge from segments of the spinal cord
Vagus nerve - Wikipedia, the free encyclopedia
Upon leaving the medulla between the medullary pyramid and the inferior cerebellar peduncle, it extends through the jugular foramen, then passes into the carotid sheath between the internal carotid artery and the internal jugular vein down below the head, to the neck, chest and abdomen, where it contributes to the innervation of the viscera. The motor division of the vagus nerve is derived from the basal plate of the embryonic medulla oblongata, while the sensory division originates from the cranial neural crest
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