annexin
noun
an·nex·in ə-ˈnek-sən 
plural annexins
: any of a family of proteins found in eukaryotes (such as mammals, birds, and plants) that bind to phospholipids in the presence of calcium —often followed by a number usually expressed in Roman numerals to indicate type
Annexin V may play significant roles in cell physiology, including such processes as control of membrane permeability to calcium …
William H. Strauss et al., Lancet, 15 July 2001
William H. Strauss et al., Lancet, 15 July 2001
Word History
Etymology
blend of annex entry 1 and synexin, earlier name for an adrenal medullary protein with the properties of annexin
First Known Use
1987, in the meaning defined above