Concept explainers
Introduction:
Structures that are specialized for the detection of a stimulus, such as pain and heat, are referred to as a sensory receptor. Receptors can be classified into three categories based on the stimulus origin, modality, and its location in the body. The classification of taste receptors: (i) based on the modality of the stimulus: chemoreceptors; (ii) based on the stimulus origin: exteroceptors; and (iii) based on the location of receptors in the body: specific senses. The taste sense is also referred to as gustation, which begins with the taste buds (about 4000). The taste buds are composed of sensory cells, which are involved in chemical stimulation. These taste buds are lemon shaped, group of cells (50 to 150), and include supporting cells, taste cells, and basal cells.
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Anatomy and Physiology
- Explain the mechanism for taste. Taste buds are the special organs of taste (fig. 10.5). The 10,000 or so taste buds are located mostly on the surface of the tongue and are associated with tiny elevations called papillae. About 1,000 taste buds are scattered in the roof of the mouth and walls of the throatarrow_forwardName the five taste modalities. Name the three types of papillae that have taste buds.arrow_forwardSummarize the five primary taste sensations.arrow_forward
- Define taste budarrow_forwardName two cranial nerves involved in the sense of tasteand describe where their sensory fibers originatearrow_forwardFrom a biological perspective, how do we experience taste? Discuss the composite of the five basic taste sensations. Include a relevant example. Please include references.arrow_forward
- Describe the different steps in smell perception from the odor source to the primary olfactory cortex.arrow_forwardWhich part of the brain is responsible for identifying a particular taste?arrow_forwardWhat are the five primary tastes? Describe how each typeof tastant causes depolarization of a taste cell.arrow_forward
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning