Curved fingernails. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms curved fingernails including Chronic obstructive pulmonary disease (COPD), Emphysema, and Interstitial lung disease. There are 3 conditions associated with curved fingernails. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions. 1  Chronic obstructive pulmonary disease (COPD).
East Asia. 1. the countries and land area of the People's Republic of China, Hong Kong, Japan, Korea, Macao, Mongolia, the Ryukyu Islands, Taiwan, and the Russian Federation in Asia. Asia, East Asia, South Asia, Southeast Asia.
There are 6 countries in East Asia. They are China, South Korea, North Korea, Japan, Mongolia and Taiwan. A few times, Taiwan is under Southeast Asia region since it is consid â¦ erably close to the Philippines. Some of China's provinces even jut into Southeast Asia. 22 people found this useful.