Definitions for epiphenomenal. Here are all the possible meanings and translations of the word epiphenomenal. Wiktionary(0.00 / 0 votes)Rate this definition: epiphenomenal(Adjective) Being of secondary consequence to a causal chain of processes, but playing no causal role in the process of interest. epiphenomenal(Adjective) Of or pertaining to a mental process which occurs only as an incidental effect of electrical or chemical activity in the brain or nervous system.
1 Gallbladder Diseases: Gallbladder attacks often manifest as pain in the right side of the chest due to inflammation of the gallbladder, and this may become most noticeable after eating foods that are rich in fat. 2  You may also experience pain if gallstones become lodged in the bile duct.
Causes of the Pain in Right Side Under Ribs. The right side of your chest and upper abdomen is the area where your right lung, your liver, gallbladder, right kidney and part of the colon are located. The pain in this part is often related with these organs. Location: Your right lung occupies the right side of your chest cavity and it is protected by the ribs, muscles and tissues.