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adrenal medulla, sweat glands, arrector pili muscles of the skin, kidneys, most blood vessels
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Postganglionic fibers that innervate targets in the body wall or thoracic cavity originate on neurons within?
Postganglionic fibers that innervate targets in the body wall or thoracic cavity originate on neurons within the sympathetic chain ganglia (paravertebral ganglia) or prevertebral ganglia (e.g., celiac ganglion). These ganglia are part of the sympathetic division of the autonomic nervous system and play a role in coordinating the body's fight-or-flight responses.
What part in the human body receives nerve impulses from the central nervous system that causes muscle fibers to contract?
Motor Neurons.
What are norepinephrine releasing fibers called?
Andrenergic fibers release Norepinephrine and Cholinergic fibers release Acetylcholine.
Where is the part where the postganglionic fiber and the spinal nerve innervate glands in the body?
Postganglionic fibers innervate glands in the body primarily through the autonomic nervous system, specifically the sympathetic and parasympathetic divisions. These fibers originate from autonomic ganglia and connect to target tissues, including glands, often by traveling alongside spinal nerves. In the case of sympathetic innervation, postganglionic fibers may follow blood vessels or directly innervate glands like the adrenal medulla. In contrast, parasympathetic fibers arise from cranial nerves and sacral spinal nerves, directly influencing glands such as salivary and lacrimal glands.
What is the part of the neuron that receives impulses is called the?
Neural input happens at the dendrites (dendritic tree) of the neuron, but some neurons, notably the sympathetic, can receive input at the axon hillock (where the axon leaves the soma).
Where do all postganglionic efferent fibers terminate?
Postganglionic efferent fibers terminate at effector organs, which include smooth muscles, cardiac muscles, and glands. These fibers are part of the autonomic nervous system, which is divided into the sympathetic and parasympathetic systems. In the sympathetic system, they typically release norepinephrine, while in the parasympathetic system, they primarily release acetylcholine to exert their effects on target tissues.
What parts of the body does reflex sympathetic dystrophy affect?
"Reflex Sympathetic Dystrophy usually affects the skin and blood vessles. However, it can easily affect any part of the body."
What is part of the syphatic system?
The sympathetic nervous system is responsible for the "fight or flight" response in the body. It is comprised of nerve fibers originating from the thoracic and lumbar regions of the spinal cord, ganglia, and neurotransmitters like norepinephrine that help in preparing the body for action in response to stress or danger.
What part of the body receives blood fromm the atria?
kidney
The part of the heart that receives blood from the body is called what?
The right atrium.
Function of the cell body?
it receives and delivers blood to the other part of the bods(body)y
What is the part of the heart that receives blood from the body?
The right atrium from the body and the left atrium from the lungs.
