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.
Arthritis of the hands is one of the prime culprits that may cause a burning sensation in the hands along with a similar feeling all over the body or the other arthritis affected body parts. It is one of the reasons why adults and the elderly usually complain of a burning sensation in hands. Carpal Tunnel Syndrome. Carpal tunnel syndrome is a medical condition that can cause burning sensations in the hands along with inflammation of the fingertips. It is most of the time accompanied by wrist pain and the inability to move the hands and perform day-to-day activities.