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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
Bordered by the rib, above and below, the deep fascia of the...
- Thoracic Cage
The thoracic cage, also known as the rib cage, is the...
- Brachial Plexus
18 mar 2018 · The document describes the muscles and nerves of the thoracic wall. It discusses the three layers of intercostal muscles - external, internal, and innermost. It also describes the intercostal nerves, noting the typical arrangement from T3-T6, and variations in other regions.
22 maj 2023 · The intercostal nerves are commonly grouped into two categories: typical intercostal nerves and atypical intercostal nerves. The typical intercostal nerves (IC) include IC3 through IC6, and the atypical intercostal nerves include IC1 through IC2 and IC8 through IC11.
10 lis 2023 · Thoracic Nerves. Next, below the cervical nerves, are 12 pairs of thoracic nerves on each side of the spine (T1 to T12), located at the thoracic vertebrae of the spine. T1 and T2 thoracic spinal nerves supply the top of the chest, arms, and hands. T3, T4, and T5 nerves supply into the chest wall as well as aid in breathing.
The nerves of the thoracic wall include the intercostal nerves, which run between the ribs and supply the muscles and skin of the chest wall. 12 pairs of thoracic spinal nerves divide into posterior rami as well as anterior rami, which continue as the intercostal nerves.
The branches of the brachial plexus which supply the thoracic wall include the long thoracic nerve, the lateral and medial pectoral nerves, the subclavian nerve, and the accessory phrenic nerve. Let's explore each of these branches in a bit more detail.
30 paź 2023 · Bordered by the rib, above and below, the deep fascia of the thorax, superficially, and the endothoracic fascia and pleura, internally, the intercostal space contains essential respiratory muscles, the nervous and vascular supply to the thoracic wall, and contributes to the integrity of the thoracic cage.
