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What nerve innervates the visceral muscles of the stomach causing contraction and hence motility?
The Vagus Nerve.
Why vagus nerve is called wandering nerve?
The tenth cranial nerve is called vagus nerve it is also called as wandering nerve.It has been called wandering nerve because of many areas it innervates. the vagus nerve wanders all the way down from the brainstem to the colon, a long wandering trek.
This nerve innervates most of the viscera in the thoracic and abdominopelvic cavities?
The vagus nerve (cranial nerve X) innervates most of the viscera in the thoracic and abdominopelvic cavities, including the heart, lungs, stomach, liver, and intestines. It plays a major role in regulating essential functions such as heart rate, digestion, and breathing.
The route of major parasympathetic outflow from the head is the?
The route of major parasympathetic outflow from the head is through the cranial nerve known as the vagus nerve (CN X). This nerve innervates many structures in the head, including the heart, lungs, and digestive system, to regulate functions such as heart rate, breathing, and digestion.
Which nerve has branches that extend to the thoracic and abdominal viscera?
The vagus nerve, also known as cranial nerve X, is the nerve that innervates the thoracic and abdominal viscera. It plays a crucial role in regulating various organ functions, including digestion and heart rate.
What causes glossopharyngeal neuralgia?
Glossopharyngeal neuralgia may be due to inflammation or compression of either the glossopharyngeal nerve or the vagus nerve, another nerve that innervates (stimulates) the same basic areas.
Which cranial nerve innervates portions of the larynx pharynx thoracic viscera and abdominal organs?
The vagus nerve, or cranial nerve X, innervates portions of the larynx, pharynx, thoracic viscera, and abdominal organs. It plays a crucial role in autonomic control, affecting functions such as heart rate, digestion, and respiratory rate. The vagus nerve has a wide distribution, branching throughout the body to provide parasympathetic innervation to various organs.
The vagus nerve is a cranial nerve that carries?
The vagus nerve is the tenth cranial nerve that carries sensory and motor signals between the brain and various organs such as the heart, lungs, and digestive system. It plays a key role in regulating functions like heart rate, digestion, and breathing. Stimulation of the vagus nerve has been used in medical treatments for conditions like epilepsy and depression.
Can overuse of arms and shoulders irritate the vagus nerve?
Overuse of arms and shoulders is unlikely to directly irritate the vagus nerve, as it primarily innervates organs in the chest and abdomen. However, excessive tension or poor posture in the shoulders and neck can lead to muscle tightness that may indirectly affect the vagus nerve by causing increased stress and reduced relaxation.
What cranial nerve innervates the heart?
The heart is primarily innervated by the autonomic nervous system, specifically through the vagus nerve, which is cranial nerve X. The vagus nerve provides parasympathetic innervation, helping to regulate heart rate and promote a state of rest and digest. Additionally, sympathetic innervation to the heart comes from the sympathetic chain ganglia, but the vagus nerve plays a crucial role in controlling heart function.
What cranial nerve number are 90 percent of all parasympathetic fibers derived from?
The vagus nerve, which is cranial nerve X, provides approximately 90 percent of all parasympathetic fibers in the body. It innervates many organs including the heart, lungs, and digestive system to help regulate functions such as heart rate, breathing, and digestion.
Which cranial nerve controls the heart and lungs?
CN X (Vagus)
