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. Such receptors can either be real sense organs or simple nerve endings. Sense organs are involved in the transmission of data (through neurons) to the specific place inside the nervous system. Such sense organs may range from simple microscopic structures like dendrites to complex structures like ear and eye. 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.
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ANATOMY PHYS VOL II W ACCESS CUSTOM
- What are the olfactory gland and Bowman's gland? and what are their functions ? Explain with pictures.arrow_forwardIn the brain, taste information is not transmitted through the (a) insula lobe, (b) solitary nucleus, (c) superior colliculus, (d) thalamus.arrow_forwardwhat is the difference between tasters and non-tasters? What is the proposed cause(s) for this difference?arrow_forward
- Taste receptors: a) extends through small openings called taste buds b) has axons that extend directly to the taste center of the cerebral cortex c) lacks axons but releases nerve transmitters when stimulated d) just sitting on the tonguearrow_forwardWhich of the following taste bud is present on the lateral sides of the human tongue? a) Bitter b) Salty c) Sour d) Sweetarrow_forwardExplain 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_forward
- How do our sense od smell relies on detection of odorants? A) gated ion channels B) GPCRs C) nociceptors D) proprioceptorsarrow_forwardWhich are different chemicals that can generate the sensation of taste?arrow_forwardHow do the different types of taste receptors stimulate the release of a neurotransmitter?arrow_forward
- Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning