What is the difference between the clusters of cell bodies called nuclei and those known as ganglia? Group of answer choices Nuclei exist in the PNS, ganglia in the CNS. Nuclei exist in all cells throughout the body, and ganglia exist only within the brain and spinal cord. Nuclei exist in the CNS, ganglia in the PNS. There is no difference between nuclei and ganglia.
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- Nuclei: Clusters of cell bodies in the central nervous system (CNS) that serve specific functions. - Ganglia: Clusters of cell bodies in the peripheral nervous system (PNS) that serve specific functions. Show more…
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QUESTION 3 Cell bodies of the peripheral nervous system are located in A. the sensory division. B. ganglia. C. the motor division. D. nerves. E. Schwann cells. QUESTION 4 The junction of a neuron with another cell is a/an A. effector. B. synapse. C. receptor D. ganglion. E. None of the above. QUESTION 5 Nissl bodies are A. part of a dendrite. B. part of the Golgi apparatus. C. areas of rough endoplasmic reticulum. D. lipid droplets. E. also called gemmules.
Sri K.
20) Which of the following is not a function of astrocytes? A) control the chemical environment around neurons B) provide the defense for the CNS C) anchor neurons to blood vessels D) support the nutrition of neurons 21) The sympathetic and parasympathetic nervous systems differ ___________ A) in the body location of their ganglia B) in that the pre-ganglionar neuron of one system is inside the CNS, while that of the other system is outside the CNS C) one has only myelinated axons, while the other only has unmyelinated axons D) one has a two-neuron chain from the CNS to the effector organs, while the other has a single efferent neuron. 22) The white matter contains __________. A) neuron cell bodies and dendrites B) myelinated and unmyelinated nerve fibers (=axons) C) unmyelinated nerve fibers only D) myelinated nerve fibers only 23) Visual reflexes, like the iris reflex to changes of light intensity, are integrated in the ___________ A) Superior region of dorsal midbrain (superior colliculi) B) Medulla oblongata C) Lower region of dorsal midbrain (inferior colliculi) D) Pons 24) Over 90% of all parasympathetic axons are derived from cranial nerve number __________. A) V (trigeminal) B) VIII (vestibulocochlear) C) XII (hypoglossal) D) X (vagus) 25) Collections of nerve cell bodies (without or with dendrites) outside the central nervous system are called __________. A) nuclei B) ganglia C) nerves D) tracts 26) Which of these effectors is not directly controlled by the autonomic nervous system? A) skeletal muscle B) most glands C) cardiac muscle D) smooth muscle 27) What are neuroglia that play an active role in moving the cerebrospinal fluid called? A) oligodendrocytes B) astrocytes C) Schwann cells D) ependymal cells 28) Collections of nerve cell axons outside the central nervous system are called __________. A) ganglia B) nerves C) tracts D) nuclei
Adi S.
The terms nuclei, ganglion, tract, and nerve are used to denote very specific anatomical structures and locations of nervous tissue. For instance, what does the name dorsal root ganglia tell you about the anatomy of the cells in the dorsal root of the spinal cord and their relative region?
Suman K.
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