A Pap test, also called a Pap smear, is an exam a doctor uses to test for cervical cancer in women. It can also reveal changes in your cervical cells that may turn into cancer later.
Neurotransmitters A Neuron is a specialized nerve cell that receives, processes, and transmits information to other cells in the body. We have a fixed number of neurons, which means they do not regenerate.
Dopamine is a neurotransmitter (a chemical released by nerve cells) that plays an important and diverse role in how your brain functions. Dopamine's Role in the Brain Dopamine neurons (nerve cells) have cell bodies in the midbrain with nerve fibers (called axons) that extend into a number of other sites in the brain.