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Neurons in the retina exit the eye forming the what?
Neurons in the retina exit the eye forming the optic nerve.
Do some neurons lack an axon and communicate only with adjacent neurons?
If they are neurons they have an axon, some cell types do communicate using gap-junctions. Yes, some complex sensory organs ( in the retina and organ of Corti for example) do not have axons. These cells liberate transmitter from their soma directly onto postsynaptic neurons in proportion to the membrane potential change they experience.
What neurons have exactly two projections from the cell body?
Bipolar neurons have exactly two projections from the cell body: one axon and one dendrite. These neurons are commonly found in sensory systems such as the retina of the eye and the olfactory system in the nose.
Location in the eye where light energy changes to electric energy?
Light energy is converted into electrical energy in the retina of the eye. The retina contains specialized cells called photoreceptors (rods and cones) that detect light and convert it into electrical signals that can be transmitted to the brain via the optic nerve.
Layer of nerve tissue made up of sensory neurons that respond to light?
The retina is the layer of nerve tissue in the back of the eye that contains sensory neurons called photoreceptors. These photoreceptors, specifically rods and cones, respond to light and convert it into electrical signals, which are then transmitted to the brain via the optic nerve, allowing us to perceive visual information.
