M

Microcephaly

In microcephaly, the head circumference is significantly smaller than expected for the person’s age and sex. It is often associated with impaired brain development.

MicroRNA

MicroRNAs are short RNA molecules that influence gene expression and thereby protein biosynthesis.

Mononucleosis

Mononucleosis is an infectious disease caused by the Epstein-Barr virus.

Mortality

Mortality refers to the number of deaths in a certain period of time, scaled to the size of the population

Mouse model

A mouse model is a laboratory mouse used to study some aspect of human physiology or disease. 

Mpox

Mpox (formerly known as monkeypox) is an infectious disease caused by the mpox virus. It can cause symptoms including fever, skin and mucosal lesions, and swollen lymph nodes.

MRSA

MRSA are Staphylococcus-aureus strains that are resistant against all available beta-lactam antibiotics.

Multidrug resistance

Multidrug resistance means that bacteria or viruses are insensitive towards various antibiotics or antivirals, respectively.

Mycobacteria

Mycobacteria are a bacterial genus, which includes the tuberculosis-causing Mycobacterium tuberculosis and the leprosy-causing Mycobacterium leprae.

Mycobacterium tuberculosis complex

Mycobacterium tuberculosis complex refers to Mycobacterium species that cause tuberculosis.