Eventually, the bronchi become known as bronchioles â the smallest air tubes in the lungs. This system of air tubes can be thought of as an upside down tree, with the trachea being the main trunk and the bronchi and bronchioles being the branches. The medical term for all the air tubes is 'the respiratory tract'.
An injury to the vertebrae or discs in your neck can cause pain, numbness, or weakness in your shoulder, arm, wrist, or hand because the nerves that extend out from between the neck provide sensation and allow for movement in these areas.
Hand weakness. Hand weakness: Introduction. Hand weakness: Weakness of one or both hands. See detailed information below for a list of 57 causes of Hand weakness, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes. Â» Review Causes of Hand weakness: Causes | Symptom Checker Â» | Assessment Questionnaire Â».