PAIN ORIGINATING IN PARIETAL PERICARDIUM---
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PAIN ORIGINATING IN PARIETAL PERICARDIUM---
travels by the way of----
1)cardiac plexus
2)greater splanchinc nerve
3)intercostal nerve
4)vagus nerve
[DOUBT is probably between (1) & (3)!!!]
1)cardiac plexus
2)greater splanchinc nerve
3)intercostal nerve
4)vagus nerve
[DOUBT is probably between (1) & (3)!!!]
nomoredoc- MCQ finder (december)
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Number of posts : 71
Age : 44
Location (city) : kolkata
Registration date : 2007-11-15
Re: PAIN ORIGINATING IN PARIETAL PERICARDIUM---
The pericardium is richly innervated with sympathetic and somatic afferents. Stretch-sensitive mechanoreceptors sense changes in cardiac volume and tension and may be responsible for transmitting pericardial pain. The phrenic nerves are embedded in the parietal pericardium and are vulnerable to injury during surgery on the pericardium.
what are cardiac plexus ?
cardiac brs. of the vagus n. and cervical sympathetic trunk; thoracic visceral nn.
sensory : pain from the heart and lungs
cardiac plexus is continuous with the coronary and pulmonary plexuses; thoracic visceral nn. carry pain from the heart to the upper thoracic spinal cord segments resulting in pain referred to the left upper limb in the T1 and T2 dermatomes
what is great thoracic splanchnic nerve ?
neurons in the intermediolateral cell column of spinal cord levels T5-T9; the greater thoracic splanchnic nerve appears to arise by multiple contributions from the sympathetic trunk
sensory : pain from the abdominal viscera
greater thoracic splanchnic n. passes through the crus of the respiratory diaphragm; postganglionic processes from the celiac ganglion spread down the aorta and distribute with its branches; they innervate the vascular smooth of these vessels and vascular smooth muscle of the organs supplied
what is intercostal nerve ?
ventral primary rami of spinal nerves T1-T11
sensory : skin of the chest and abdomen anterolaterally; skin of the medial side of the upper limb (via T1-T2)
intercostal n.travels below the posterior intercostal a. in the costal groove
what is vagus nerve ?
medulla: dorsal motor nucleus (GVE preganglionic parasympathetic);
inferior ganglion (GVA);
nucleus ambiguus (SVE);
superior ganglion (GSA);
inferior ganglion(SVA)
sensory :
GSA: skin of the external auditory meatus;
GVA: viscera of head, neck, thorax & abdomen proximal to the left colic flexure;
SVA: taste from the epiglottis
also known as: CN X, 10th cranial nerve; the vagus n. passes through the jugular foramen to exit the posterior cranial fossa; vagus means "wanderer" in reference to its extensive distribution to the body cavities.
*** cardiac vagal :
sensory : heart, bronchial tree and lungs
vagus n. has 2 cervical cardiac brs. (superior and inferior) and 1 or more thoracic cardiac brs.
what are cardiac plexus ?
cardiac brs. of the vagus n. and cervical sympathetic trunk; thoracic visceral nn.
sensory : pain from the heart and lungs
cardiac plexus is continuous with the coronary and pulmonary plexuses; thoracic visceral nn. carry pain from the heart to the upper thoracic spinal cord segments resulting in pain referred to the left upper limb in the T1 and T2 dermatomes
what is great thoracic splanchnic nerve ?
neurons in the intermediolateral cell column of spinal cord levels T5-T9; the greater thoracic splanchnic nerve appears to arise by multiple contributions from the sympathetic trunk
sensory : pain from the abdominal viscera
greater thoracic splanchnic n. passes through the crus of the respiratory diaphragm; postganglionic processes from the celiac ganglion spread down the aorta and distribute with its branches; they innervate the vascular smooth of these vessels and vascular smooth muscle of the organs supplied
what is intercostal nerve ?
ventral primary rami of spinal nerves T1-T11
sensory : skin of the chest and abdomen anterolaterally; skin of the medial side of the upper limb (via T1-T2)
intercostal n.travels below the posterior intercostal a. in the costal groove
what is vagus nerve ?
medulla: dorsal motor nucleus (GVE preganglionic parasympathetic);
inferior ganglion (GVA);
nucleus ambiguus (SVE);
superior ganglion (GSA);
inferior ganglion(SVA)
sensory :
GSA: skin of the external auditory meatus;
GVA: viscera of head, neck, thorax & abdomen proximal to the left colic flexure;
SVA: taste from the epiglottis
also known as: CN X, 10th cranial nerve; the vagus n. passes through the jugular foramen to exit the posterior cranial fossa; vagus means "wanderer" in reference to its extensive distribution to the body cavities.
*** cardiac vagal :
sensory : heart, bronchial tree and lungs
vagus n. has 2 cervical cardiac brs. (superior and inferior) and 1 or more thoracic cardiac brs.
Answer could be mostly option 1
behappy- Fresher
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Number of posts : 11
Age : 44
Location (city) : nellore
Registration date : 2007-11-23
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