But in case a gallstone obstructs the bile duct, certain problems may occur. The common symptoms of gallstones include: Sudden onset of pain that may just as suddenly increase in severity. The pain is mainly felt in the right side of the abdomen.
Affiliative behavior can be defined as any prosocial behavior that brings two or more individuals into close proximity. The formation of social units, such as mating pairs, family units, colonies, or even societies is critical for the survival of most species, including humans.
afferent afÂ·ferÂ·ent (Äf'Ér-Ént) adj. Carrying inward to a central organ or section, as nerves that conduct impulses from the periphery of the body to the brain or spinal cord. n. An afferent organ or body part, such as a blood vessel.