Taste Travels Two Pathways

The taste information sent along these pathways is thought to encode for basic tastes such as sweet salty. Peripheral taste receptors are found on the upper surface of the tongue soft palate pharynx and the upper part of the esophagus.

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The glossopharyngeal nerve connects to taste buds in the posterior two thirds of the tongue.

Taste travels two pathways. The vagus nerve connects to taste buds in the extreme posterior of the tongue verging on the pharynx which are more sensitive to noxious stimuli like bitterness. From the axons of the taste receptors the sensory information is transferred to the three taste pathways via the branches of cranial nerves vii ix and x. This image shows the pathway of the taste sensation from the tongue to the central nervous system.

The chorda tympani of cn vii facial nerve carries the taste sensory input from the tongue s anterior two thirds. Cranial nerves vii ix x 3. Role in the taste pathway like the olfactory system the taste system is defined by its specialized peripheral receptors and central pathways that relay and process taste information.

The left image shows the histology of the taste bud the taste receptor of the tongue showing. From the axons of the taste receptors the sensory information is transferred to the three taste pathways via the branches of cranial nerves vii ix and x. The gustatory cortex allows us to consciously discriminate different taste stimuli.

The chorda tympani of cn vii facial nerve carries the taste sensory input from the tongue s anterior two thirds. Axons from the three cranial nerves carrying taste information travel to the medulla.

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