Humans detect taste with taste receptor cells. These are clustered in taste buds and scattered in other areas of the body. Each taste bud has a pore that opens out to the surface of the tongue enabling molecules and ions taken into the mouth to reach the receptor cells inside.1  salty.2  sour. 3  sweet. 4  bitter.5  umami.umans detect taste with taste receptor cells. These are clustered in taste buds and scattered in other areas of the body. Each taste bud has a pore that opens out to the surface of the tongue enabling molecules and ions taken into the mouth to reach the receptor cells inside. 1  salty. 2  sour. 3  sweet. 4  bitter. 5  umami.
Raynaud's Syndrome May be the Cause of Your Fiery Fingertips. Another major cause of burning fingertips is Reynaud's Syndrome. This condition is brought about when the blood vessels that supply the hands and/or feet narrow. In individuals with Reynaud's, episodes of burning fingertips are exacerbated by exposure to cold.
What could cause hands to go numb, fingers tingle & hands ice cold?? I have fibromyalgia, arthritis & had some pain in my neck, back, basically all over my body, but having increased neck pain, arms & hands going numb, fingers tingly with my hands becoming ice cold. I have done physical therapy, chiropractic, steroid injections, muscle relaxers, pain meds, arthritis meds, fibromyalgia meds.