If you are asking for cell biology, âChiasmaâ is a point of overlap of paired chromatids at which fusion and exchange of genetic material take place during prophase of meiosis. And if you are asking for Anatomy then, It is the X-shaped structure formed at the point below the brain where the two optic nerves cross over each other.
Symptoms Of Vagus Nerve Disorder. The vagus nerve innervates critical organs, such as the heart and lungs, making vagus nerve disorders serious. The symptoms of vagus nerve disorder can include cardiac, gastrointestinal, and sensory problems. Introduction to the Vagus Nerve The vagus nerve is the paired tenth cranial nerve that branches out from the brain and supplies parts of the gastrointestinal system such as the stomach, and parts of the respiratory system such as the lungs.
In patients with cubital tunnel syndrome, the ulnar nerve is pinched in one of several locations in the back of the elbow. Common symptoms of cubital tunnel syndrome include: Pain, tingling and numbness in the small and ring fingers. These are often called pins and needles symptoms.