Lymph node. (Redirected from Cortex of lymph node) A lymph node or lymph gland, is an ovoid or kidney-shaped organ of the lymphatic system, and of the adaptive immune system, that is widely present throughout the body. They are linked by the lymphatic vessels as a part of the circulatory system.
Essex /ËÉsÉ¨ks/ is a county in England, immediately north-east of London.
1 The ESSEX County MA ZIP Code Map shows all 5 digit zip code boundaries for ESSEX County MA. Get all Area Codes and NXX data for North America. 2  MA ZIP Code Map. 3  The MA ZIP Code Map shows all 5 digit zip code boundaries for MA using clean, practical map colors and styles. 4  ESSEX County, MA ZIP Code Map.