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30 paź 2023 · The typical intercostal nerves are mixed nerves carrying both motor and sensory innervation for the thoracic and abdominal walls. Along their course, the nerves usually give off several branches: The muscular branches for the intercostal muscles, subcostal muscles, serratus posterior superior, levatores costarum and transversus thoracis muscles.
- Brachial Plexus
The brachial plexus is a network of nerves that gives rise...
- Intercostal Veins
Intercostal veins Author: Shahab Shahid, MBBS • Reviewer:...
- Innermost Intercostals
Innermost intercostal muscles (Musculi intercostales intimi)...
- Intercostal Muscles
External intercostal muscles (Musculi intercostales externi)...
- Intercostal Space
Intercostal spaces The eleven paired intercostal spaces...
- Thoracic Cage
The thoracic cage, also known as the rib cage, is the...
- Pectoralis Major Muscle
Pectoralis major muscle (Musculus pectoralis major) The...
- Peritoneum
The peritoneum consists of two layers: Parietal peritoneum –...
- Brachial Plexus
Through these branches, the intercostal nerves supply the skin on the anterior and lateral aspects of the thoracic wall, pleura, the intercostal and transversus thoracis muscles anteriorly as well as the subcostal, levatores costarum and serratus posterior muscles posteriorly.
22 maj 2023 · The seventh to eleventh intercostal nerves travel in the intercostal spaces but then travel into the abdominal wall, supplying muscles such as the external oblique, internal oblique, transversus abdominis, and rectus abdominis.
24 lip 2023 · The thoracodorsal nerve is a pure motor nerve that innervates the latissimus dorsi muscle. The latissimus dorsi muscle is a large, fan-shaped muscle that originates from the spinous processes of T7 to L5, the thoracolumbar fascia, and iliac crest.
19 wrz 2023 · The thoracic, or chest wall, consists of a skeletal framework, fascia, muscles, and neurovasculature – all connected together to form a strong and protective yet flexible cage. The thorax has two major openings: the superior thoracic aperture found superiorly and the inferior thoracic aperture located inferiorly.
Thoracic nerves refer to the 12 pairs of nerves that originate from the dorsal and ventral roots of the corresponding thoracic segments. These nerves distribute sensory and motor fibers to various structures in the thoracic and abdominal wall, including muscles, blood vessels, pleura, and breast tissue.
24 lip 2023 · The muscles that comprise the thoracic wall and the posterior thorax are innervated by the intercostal nerves, which mainly come from the anterior rami of spinal nerves T1 to T11. The anterior ramus of spinal nerve T12 is a subcostal nerve.