Glossary terms with N Breadcrumb Home Glossary Glossary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z N Natural compound library A natural compound library is a collection of chemical substances, which can be used to screen for biological activities of choice. Natural compounds A natural compound is a substance produced by bacteria, animals, fungi or plants that fulfills a biological function. Natural killer cells Natural killer cells are lymphocytes belonging to the innate part of the immune system, that directly kill virus infected cells and tumor cells. Neglected Tropical Diseases Neglected Tropical Diseases are a group of poverty-related communicable diseases that occur in tropical and subtropical countries. Norovirus Noroviruses are highly contagious viruses that are found worldwide and cause acute gastrointestinal illnesses characterized by vomiting and diarrhea. Nucleocapsid A nucleocapsid is a viral structure unit composed of nucleic acids and attached proteins.
