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A specialized organ or structure, such as the eye, ear, tongue, nose, or skin, where sensory neurons are concentrated and that functions as a receptor. Also called sensor.
A sensory receptor; a structure consisting of specialized sensory nerve endings that are capable of reacting to a stimulus (an external or internal change) by generating nerve impulses that pass through afferent nerves to the central nervous system. These impulses may give rise to sensations or reflexly bring about responses in the body.
See also: organ
sense organany receptor of external or internal stimuli.
A structure especially adapted for the reception of stimuli and the transmission of the relevant information to the brain. The organ of sight is the eye, in which light is transduced into nerve signals in the photoreceptors of the retina.