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What causes nerve pain in abdomen? Abdominal cutaneous nerve entrapment syndrome is a rare condition in chronic abdominal pain. The most common cause of the syndrome is nerve entrapment at the lateral border of the rectus abdominis muscle. In patients with chronic abdominal pain, abdominal wall is not usually considered as a cause of pain. Is the rectus abdominis superficial or deep? On the flanks of the body, medial to the rectus abdominis, the abdominal wall is composed of three layers.
The external oblique muscles form the superficial layer, while the internal oblique muscles form the middle layer, and the transverses abdominus forms the deepest layer. What causes abdominal wall pain? Most commonly, abdominal wall pain is related to cutaneous nerve root irritation or myofascial irritation. The pain can also result from structural conditions, such as localized endometriosis or rectus sheath hematoma, or from incisional or other abdominal wall hernias.
Can spine issues cause abdominal pain? In rare cases, spinal cord tumor can cause an abdominal pain as the initial symptom prior to some neurologic impairments [1]. Therefore, in early stage of spinal cord tumor, it can be misdiagnosed as other gastroenterological disorders, musculoskeletal problem, or psychopathologic condition. Can abdominal surgery damage nerves? Abdominal surgery has been known, in some cases, to cause damage to the ilioinguinal nerve, the iliohypogastric nerve, and the genitofemoral nerve, all of which can lead to pelvic nerve pain or pelvic neuropathic pain.
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Idris Siddiqui Follow. Clinical anatomy thorax. Cilinical anatomy upper limb. Clinical anatomy. Psoas major. Tibiofibular joints. Lymphatic drainage of lower limb. The veins of the lower limb. Brachial plexus. The wrist joint. Related Books Free with a 30 day trial from Scribd. Related Audiobooks Free with a 30 day trial from Scribd. Permission to Dream Chris Gardner. Gundry, MD. It includes twelve vertebrae named T1 through T Each thoracic spinal nerve is named for the vertebra above it.
For example, the T3 nerve root runs between the T3 vertebra and T4 vertebra. There are 12 thoracic spinal nerve root pairs two at each thoracic vertebral level , starting at vertebral level T1-T2 and going down to TL1.
Each thoracic nerve root exits the spinal canal through a bony hole, called an intervertebral foramen. This bony hole is formed by two adjacent vertebrae, and its size and shape can slightly shift as the vertebrae move. See Vertebrae in the Vertebral Column. After branching from the spinal cord and traveling through the foramen, a thoracic nerve root branches into two different nerve bundles that feed into the nerves at the front ventral ramus and back dorsal ramus of the body.
The typical intercostal nerves include T3 through T6, and the atypical intercostal nerves include T1 through T2 and T8 through T The main reason for the two separate groupings is that the typical intercostal nerves stay confined to their own intercostal spaces while the atypical spinal nerves go past the thoracic wall and partially or wholly supply other regions. The typical intercostal nerve runs laterally behind the sympathetic trunk and enters the intercostal space between the parietal pleura and the intercostal membrane as described above.
While in the costal groove, it runs along the intercostal vessels and travels in front of the internal thoracic artery. The major branches of the typical intercostal nerves include the rami communicates, the muscular branches, the collateral branch, the lateral cutaneous branch, and the anterior cutaneous branch.
The rami communicate branches innervate the corresponding thoracic ganglion by gray and white rami. The muscular branches supply the intercostal muscles as well as the serratus posterior and superior. The collateral branch innervates the intercostal muscles, parietal pleura, and the periosteum of the rib.
The lateral cutaneous branch goes through the muscles of the lateral thoracic wall and then divides into anterior and posterior branches to give cutaneous information from the skin of the lateral thoracic wall.
The anterior cutaneous branch is the terminal branch of the typical intercostal nerves and divides into medial and lateral branches to supply the skin of the anterior thoracic wall. The atypical intercostal nerves, T1 through T2 and T7 through T11, run a more complicated course and have their own routes to innervation in the human body.
The first intercostal nerve does give some contribution to the lower trunk of the brachial plexus along with the ventral ramus of C8. The rest of the first intercostal nerve lacks both lateral and anterior cutaneous branches seen in typical intercostal nerves. The second intercostal nerve has a branch named the intercostobrachial nerve, and this branch gives cutaneous information from the floor of the axilla and superior region of the upper extremity.
In cases of coronary artery disease, the cardiac pain patients describe on the medial side of the arm is due to this nerve. The seventh to eleventh intercostal nerves travel in the intercostal spaces but then travel into the abdominal wall where they supply muscles such as the external oblique, internal oblique, transverse abdominis, and rectus abdominis.
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