Classification of Receptors
Classification of Receptors
Receptors are traditionally classified by their location. Those near the external surface, called exteroceptors, keep the animal informed about the external environment. Internal parts of the body are provided with interoceptors, which receive stimuli from internal organs. Muscles, tendons, and joints have proprioceptors, which are sensitive to changes in tension of muscles and provide an organism with a sense of body position. Sometimes receptors are classified by the form of energy to which the receptors respond, such as chemical, mechanical, light, or thermal.
Receptors are traditionally classified by their location. Those near the external surface, called exteroceptors, keep the animal informed about the external environment. Internal parts of the body are provided with interoceptors, which receive stimuli from internal organs. Muscles, tendons, and joints have proprioceptors, which are sensitive to changes in tension of muscles and provide an organism with a sense of body position. Sometimes receptors are classified by the form of energy to which the receptors respond, such as chemical, mechanical, light, or thermal.
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