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.
The most common source of pain from hand and finger overuse is osteoarthritis. Like other joints in the body, the joints of the hand and fingers are lined with a thin cartilage called articular cartilage. Excessive use of the hands can cause a thinning of this cartilage and lead to inflammation of the joints.This inflammation leads to joint stiffness, swelling, redness, and pain.auses of Finger Joint Pain. Unfortunately there are a variety of sources for finger joint pain. Causes of finger pain can include joint conditions, overuse, and trauma. The most common conditions or diseases associated with finger pain are as rheumatoid arthritis and psoriasis arthritis. Both are autoimmune diseases.