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.
Causes of Cramps in Hands and Fingers: Cramps are involuntary contractions of the muscles, which fail to relax immediately, resulting in severe pain. Skeletal muscle cramps are more common in the legs and calf muscles; however they can affect hands and other body parts.Here are a few reasons for causes of cramps in hands and fingers,1  Prolonged activities involving the hands and the fingers like typing, playing an instrument or doing needle work are associated with hand or finger cramps.reatment of Cramps in Hands and Fingers: 1  Prolonged and repetitive activities can result in stress, which in turn, can cause cramps. 2  Take a break every now and then to stretch the hands and shake them to avoid cramps. 3  Ensure that your diet is rich in green leafy vegetables and fruits, namely pineapple.