English ⇄ Arabic Chinese Danish Dutch English Estonian Finnish French German Greek Hungarian Irish Italian Japanese Latvian Lithuanian Polish Portuguese Romanian Russian Slovak Slovene Spanish Swedish

major histocompatibility complex MHC
genet.	A group of molecules found on the surface of almost every cell in the body. Major histocompatibility complex MHC molecules present protein fragments peptides to immune cells. If the cells recognize the peptides as foreign, the body mounts an immune response. In humans, MHC molecules are called human leukocyte antigens HLAs.

Major: 9 phrases in 3 subjects

Abbreviation	5
Military	3
United States	1