Medical Definition of IMMUNOASSAY. : a technique or test (as the enzyme-linked immunosorbent assay) used to detect the presence or quantity of a substance (as a protein) based on its capacity to act as an antigen or antibody.â immunoassay transitive verb. â imÂ·muÂ·noÂ·asÂ·sayÂ·able \-a-ËsÄ-É-bÉl\ adjective.efinition of IMMUNOASSAY. : a technique or test used to detect the presence or quantity of a substance (as a protein) based on its capacity to act as an antigen. â imÂ·muÂ·noÂ·asÂ·sayÂ·able \-a-ËsÄ-É-bÉl\ adjective. ADVERTISEMENT. noun imÂ·muÂ·noÂ·asÂ·say \Ëim-yÉ-nÅ-Ëas-ËÄ, im-Ëyue-ËyÃ¼-, -nÅ-a\. ËsÄ
Have you noticed a slight shaking or tremor in your finger, thumb, hand, chin or lip? Does your leg shake when you sit down or relax? Twitching or shaking of limbs is a common early sign of Parkinson's disease. Shaking can be normal after lots of exercise or if you have been injured.
Parkinson's disease symptoms and signs may vary from person to person. Early signs may be mild and may go unnoticed. Symptoms often begin on one side of your body and usually remain worse on that side, even after symptoms begin to affect both sides. Parkinson's signs and symptoms may include: 1  Tremor. 2  Slowed movement (bradykinesia). 3  Rigid muscles. 4  Impaired posture and balance. 5  Loss of automatic movements. 6  Speech changes. 7  Writing changes.