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The axon and a dendrite dendron.
Definition of bipolar neurons in anatomy. Bipolar neurons are found in the retina of the eye roof of the nasal cavity and inner ear. Bipolar neurons are also located in the roof of each nasal cavity and are able to distinguish between a range of odors. They are found in retinal cells and olfactory epithelium. In the tardent and weber scheme there are seven types b sub 1 b sub 7 of bipolar neurons only two of which are ciliated b sub 3 and b sub 4.
In the eye bipolar neurons form the middle layer of the retina. Neurons are classified as either motor sensory or interneurons. Bipolar neurons have two processes emerging from the cell body. A bipolar neuron is a nerve cell located in humans and some animals and is defined by two processes or arm like extensions that reach out from either side of the cell body.
Motor neurons carry information from the central nervous system to organs glands and muscles. The neurons located in the retina is another example of bipolar neurons. Examples of bipolar neurones are the ganglia of the vestibulocochlear nerve and the bipolar cells found in the retina. Generally these two processes run in opposite directions from the cell body.
They are always sensory and carry information about vision olfaction equilibrium and hearing. Small interneurons can be around the size of an oligodendroctye 5 μm while motor neurons are up to 100 130 μm. One process is an axon while the other process is a dendrite. Although unipolar and bipolar neurons are present in the nervous system most neurons are multipolar.
A bipolar neuron or bipolar cell is a type of neuron that has two extensions one axon and one dendrite. Bipolar neurons are a type of neurons that have two processes extending from the cell body. A specialized neuron observed to have only two processes present. These processes extend from the cell body at opposite ends both serving as a pathway for sensory impulses.
As such they are part of the sensory pathways for smell sight taste hearing touch balance and proprioception. They collect vision signals from the retina of the eye and transmit them to the brain. Neurons have a long cell process called an axon. Bipolar neurons are sensory neurons consisting of one axon and one dendrite that extend from the cell body.
Classification of nerve cells dissociated from tentacles of the sea anemone calliactis parasitica.
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