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.
At what age does Parkinson's disease usually strike? I'm in my early 20s and probably just being paranoid, but what are the first symptoms? Parkinson's disease is a disease of the brain that primarily affects movement. The typical symptoms of Parkinson's disease include difficulty walking, difficulty initiating movements, and a slow hand tremor. Parkinson's disease usually develops in people over the age of 50, though there are certainly rare cases of people that start to show signs at a much younger age.