Detection of RNA that has been electrophoretically separated and immobilized by blotting on nitrocellulose or other type of paper or nylon membrane followed by hybridization with labeled NUCLEIC ACID PROBES.

Synonyms: Northern Blottings, Northern Blot, Blottings, Northern, Blots, Northern, Blotting, Northern, Northern Blots, Blot, Northern, Northern Blotting