ANATOMY

GENERAL ANATOMY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ Neuron is most common neuron in brain
A
Unipolar
B
Bipolar
C
Multipolar
D
Pseudounipolar
Explanation: 

Detailed explanation-1: -Multipolar neurons are the most common type of neurons in the human body. They are present throughout a person’s CNS, including the brain and associated nerves in the autonomic nervous system. A multipolar neuron has the highest number of structures extending from the cell body.

Detailed explanation-2: -Multipolar neurons are the most common type of neuron. They are located in the central nervous system (brain and spinal cord) and in autonomic ganglia. Multipolar neurons have more than two processes emanating from the neuron cell body.

Detailed explanation-3: -Although unipolar and bipolar neurons are present in the nervous system, most neurons are multipolar. Neurons have a long cell process called an axon.

Detailed explanation-4: -These authors estimated the number of neurons in the human brain at about 85 billion: 12–15 billion in the telencephalon (Shariff, 1953), 70 billion in the cerebellum, as granule cells (based on Lange, 1975), and fewer than 1 billion in the brainstem.

Detailed explanation-5: -The brain and spinal cord have multipolar neurons.

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