The Nervous System - Lab Practical #4

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Last updated 8:04 AM on 5/6/26
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32 Terms

1
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<p>What is the arrow pointing to?</p>

What is the arrow pointing to?

Nucleus; control center of the cell.

<p>Nucleus; control center of the cell.</p>
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Nucleolus; ribosome factory.

<p>Nucleolus; ribosome factory.</p>
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Nissl bodies; modified rough endoplasmic reticulum. Synthesizes protein.

<p>Nissl bodies; modified rough endoplasmic reticulum. Synthesizes protein.</p>
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<p>What is the arrow pointing to?</p>

What is the arrow pointing to?

Nissl bodies; modified rough endoplasmic reticulum. Synthesizes protein.

<p>Nissl bodies; modified rough endoplasmic reticulum. Synthesizes protein.</p>
5
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Neurofibrils/neurotubules; for intracellular transport and structural support.

<p>Neurofibrils/neurotubules; for intracellular transport and structural support.</p>
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Axon hillock; origin of an axon and “trigger zone” for AP.

<p>Axon hillock; origin of an axon and “trigger zone” for AP.</p>
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<p>What is the arrow pointing to?</p>

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Axon; conducting region of neuron for AP.

<p>Axon; conducting region of neuron for AP.</p>
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Axon terminal; ending of an axon that makes synaptic contacts with other neurons or effector cells.

<p>Axon terminal; ending of an axon that makes synaptic contacts with other neurons or effector cells.</p>
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Synaptic end bulb; stores and releases neurotransmitters.

<p>Synaptic end bulb; stores and releases neurotransmitters.</p>
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Myelin sheath; electrically insulates and protects the axon, conducts impulses quickly.

<p>Myelin sheath; electrically insulates and protects the axon, conducts impulses quickly.</p>
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Schwann cell; wraps around a single axon to form the myelin sheath.

<p>Schwann cell; wraps around a single axon to form the myelin sheath.</p>
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Node of Ranvier; conduct impulses quickly via saltatory conduction.

<p>Node of Ranvier; conduct impulses quickly via saltatory conduction.</p>
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Endonerium; thin layer of connective tissue that surrounds individual axons.

<p>Endonerium; thin layer of connective tissue that surrounds individual axons.</p>
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<p>What is the arrow pointing to?</p>

What is the arrow pointing to?

Axon; conducting region of neuron for AP.

<p>Axon; conducting region of neuron for AP.</p>
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Neuron cell body/soma; houses nucleus and other important organelles.

<p>Neuron cell body/soma; houses nucleus and other important organelles.</p>
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Dendrites; receptive region of neuron. Receives incoming signals.

<p>Dendrites; receptive region of neuron. Receives incoming signals.</p>
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<p>What is the arrow pointing to?</p>

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Nerve cell body; houses nucleus and other important organelles.

<p>Nerve cell body; houses nucleus and other important organelles.</p>
18
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<p>What is the arrow pointing to?</p>

What is the arrow pointing to?

Nucleus; control center of the cell.

<p>Nucleus; control center of the cell.</p>
19
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<p>What is the arrow pointing to?</p>

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Dendrites; receptive region of neuron. Receives incoming signals.

<p>Dendrites; receptive region of neuron. Receives incoming signals.</p>
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Nuclei of Glial Cells; small cells that support the neuron.

<p>Nuclei of Glial Cells; small cells that support the neuron.</p>
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Cerebrum.

<p>Cerebrum.</p>
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<p>What is the arrow pointing to?</p>

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Right cerebral hemisphere.

<p>Right cerebral hemisphere.</p>
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Left cerebral hemisphere.

<p>Left cerebral hemisphere.</p>
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Cerebellum.

<p>Cerebellum.</p>
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Right cerebellar hemisphere.

<p>Right cerebellar hemisphere.</p>
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Left cerebellar hemisphere.

<p>Left cerebellar hemisphere.</p>
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Brainstem.

<p>Brainstem.</p>
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<p>What is the arrow pointing to?</p>

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Cerebrum.

<p>Cerebrum.</p>
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Cerebellum.

<p>Cerebellum.</p>
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<p>What is the arrow pointing to?</p>

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Brainstem.

<p>Brainstem.</p>
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<p>What is the arrow pointing to?</p>

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Thalamus.

<p>Thalamus.</p>
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