CLINICAL MEDICINE

MEDICINE

NEUROLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Each neuron contains one long trunk called a(n) ____
A
dendrite
B
synapse
C
brain stem
D
axon
Explanation: 

Detailed explanation-1: -The correct option is C Axon. Nerve cells or Neurons: A neuron consists of a cell body with a nucleus and cytoplasm, from which long thin hair-like parts arise. Usually each neuron has a single long part, called the axon, and many short, branched parts called dendrites.

Detailed explanation-2: -axon, also called nerve fibre, portion of a nerve cell (neuron) that carries nerve impulses away from the cell body. A neuron typically has one axon that connects it with other neurons or with muscle or gland cells.

Detailed explanation-3: -Golgi I or Golgi type I neuron is a neuron, which has a long axon that begins in the grey matter of the central nervous system and may extend from there.

Detailed explanation-4: -Every neuron has only a single axon, a thin cylindrical process that can ramify and extend up to 1m. The axon arises from a specialized region of the soma called the axon hillock where an all or none signal (the action potential) is initiated once a critical threshold is reached. The presynaptic terminals.

Detailed explanation-5: -The long “trunk” of the neuron is called the axon, down which the long-distance electrical signal travels. At the end of the axon is a special communication junction called a synapse. The synapse links the end of the axon in one neuron to a dendrite of in a second neuron.

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