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The sympathetic trunk is called a "trunk" because it serves as a major conduit for sympathetic nerve fibers that run along each side of the vertebral column, resembling a tree trunk from which branches extend. It acts as a central pathway for the sympathetic nervous system, facilitating communication between the spinal cord and peripheral targets. This anatomical structure is crucial for coordinating the body's involuntary responses to stress and maintaining homeostasis.
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Once a sympathetic preganglionic axon reaches a trunk ganglion what can it do?
it can 1. synapse with a ganglionic neuron in the same trunk ganglion, 2. ascend or descend the sympathetic trunk to synapse in another trunk ganglion or 3. pass through the trunk ganglion and emerge from the sympathetic trunk without synapsing The answer: Synapse with a parasympathetic neuron in the same trunk ganglion
What ramus branches that belong to the sympathetic nervous system?
The sympathetic nervous system branches include the sympathetic trunk and the splanchnic nerves. The sympathetic trunk contains the sympathetic ganglia, which are responsible for sending signals to various target organs in the body. The splanchnic nerves innervate the abdominal organs and play a role in regulating their function.
What are the 3 things that sympathetic preganglionic axon reaches a trunk ganglion?
Sympathetic preganglionic axons reach a trunk ganglion through three key pathways: (1) they may synapse directly with postganglionic neurons in the ganglion, (2) they can ascend or descend within the sympathetic trunk to synapse at a different ganglion, or (3) they may pass through the ganglion without synapsing and continue to target organs via splanchnic nerves. These pathways enable the sympathetic nervous system to coordinate responses throughout the body effectively.
Why is a trunk port called a trunk?
a trunk port is called a trunk because it is part of the back end of a car - ie a trunk.
What is a knot-like swelling in a nerve where the cell bodies of neurons are concentrated?
Paravertbral ganglia (aka sympathetic trunk ganglia)
What is the stem of a tree called?
The stem of the tree is called the trunk and the outermost part of the trunk is called the bark of the trunk.
What is the name of the lo an long appendage that hangs from elephants face?
a trunk
What is a large traveling trunk called?
It is a saratoga trunk
What is a trunk on a jeep called?
The traditional Jeep does not have a trunk.
Do the sympathetic fibers leave the CNS at the thoracolumbar region?
Yes, sympathetic fibers leave the central nervous system at the thoracolumbar region, specifically from the intermediolateral cell column of the spinal cord. These fibers then form the sympathetic trunk and travel to the target organs to regulate the body's fight-or-flight response.
Sympathetic nerves may leave the spinal cord at which vertebra?
Preganglionic sympathetic axons leave the spinal cord throughout the thoracic spine and the upper lumber spine (T1-L2).These preganglionic sympathetic axons exit the spinal canal within the anterior primary ramus and then quickly separate to travel via the white ramus communicans to the ipsilateral sympathetic trunk.
What is the Trunk of a statue called?
If you mean by 'trunk' the body from the waist to the chin, it's called the torso.
