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DENIUS [597]
4 years ago
15

In regards to the spinothalamic tract, where does the second order neuron cross the midline?

Medicine
1 answer:
babymother [125]4 years ago
7 0

Answer:

The correct answer will be option A.

Explanation:

In spinothalamic tract is a projection with axons which terminates in the thalamic nuclei.  This tract comprises of three neuron pathways: primary order neurons, secondary order neurons and tertiary order neurons.

The axons of the secondary order neurons receive the impulse to form the primary order neuron in the dorsal neuron and then crosses the midline at the anterior spinal cord in ventral white commissure to reach the opposite sides. after this neuron passes through the brainstem to the thalamus.

Thus, option A- at that spinal cord segment is the correct answer.

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Answer:

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3 0
3 years ago
Imagine you just ate a candy bar. Summarize what will occur in
ella [17]

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eating the candy bar increases the amount of sugar in the blood stream. ... when your blood sugar drops too low (hypoglycemia), your pancreas releases the hormone glucagon. glucagon then incited the release of glycogen (a sugar storage molecule) from the liver. this increases the blood sugar levels back to a normal level.

Explanation:

Hope this helps

Have a nice day :)

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serg [7]

Answer:

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Explanation:

From among the neuroglia, or support cells in the brain, whose purpose is to aid neurons in their different functions, astrocytes are not just one of the most numerous, but also one of the most vital for neuronal support. Amongst one of their most central functions is to help in the control of neurotransmitter emition and retention in the synaptic cleft, between two communicating neurons, and therefore, helps regulate the responses from post-synaptic, and pre-synaptic neurons. It is also responsible for clearing up the presence of ions in the extracellular space, and producing ATP, which regulates the amount of neurotransmitters that are released, and taken, by pre-synaptic, and post-synaptic neurons.

In ALS (Amyotrophic Lateral Sclerosis) the issue with glutamate, a neurotransmitter that excites post-synaptic neurons into releasing excess amounts of calcium, is that this hyper-excitatory response leads neurons, particularly motor neurons, to die, and this is what causes ALS. It has been found through research that astrocytes have to do in this process, but it is not clear yet whether there is a failure in their control system, as ALS is still a condition that is very much under study and still without a cure.

5 0
3 years ago
Only right answer no spammers​
MrRissso [65]

Answer:

Okay but there’s nothing

Explanation:

8 0
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4 years ago
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