MAC-1 may refer to:
*
Macrophage-1 antigen Macrophage-1 antigen (or integrin αMβ2 or macrophage integrin or Mac-1) is a complement receptor ("CR3") consisting of CD11b (integrin αM) and CD18 (integrin β2).
The integrin α chain is noncovalently bound to the integrin β chain. It binds ...
*
Integrin alpha M
Integrin alpha M (ITGAM) is one protein subunit that forms heterodimeric integrin alpha-M beta-2 (αMβ2) molecule, also known as '' macrophage-1 antigen'' (Mac-1) or ''complement receptor 3'' (CR3). ITGAM is also known as CR3A, and cluster of di ...
*
Macintosh
The Mac (known as Macintosh until 1999) is a family of personal computers designed and marketed by Apple Inc. Macs are known for their ease of use and minimalist designs, and are popular among students, creative professionals, and software en ...
{{Letter-Number Combination Disambiguation