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.
I was in excruciating painâ¦and you rescued me. Common causes of hand pain include injury or trauma, such as a boxerâs fracture of the hand, or from repetitive use, such as long periods of keyboarding, which can lead to tenosynovitis and carpal tunnel syndrome. Arthritis is another very common cause of hand pain. More serious conditions, such as diabetes and peripheral neuropathy, can also cause pain or a burning sensation in your hand and fingers.