Browse the glossary using this index

Special | 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 | ALL

M

micro-RNA (miRNA)

Micro-RNA (also written as microRNA) is a small (about 22 nucleotides) single-stranded non-coding RNA molecule. miRNAs function via base-pairing with complementary sequences within mRNA molecules to RNA to silence and post-transcriptionally regulate gene expression.


microarray

Method used to detect the expression of thousands of genes at the same time. Microarray experiments allow description of genome-wide expression changes in health and disease.