Ajunction between two neurons or between a neuron and effector is called

Sensory receptor

Sensory receptor is known to be a structure that responds to a physical stimulus in the environment which can either be external or internal. Also, sensory receptor generally initiates the same process of creating nerve signals and registering stimuli. Generally, sensory receptor usually serves as the front liner because they are in contact with the stimulus.

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cells spend most of their time in interphase