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Membrane attack complex (Terminal complement complex C5b-9) A membrane attack complex attached to a pathogenic cell The membrane attack complex (MAC) or terminal complement complex (TCC) is a complex of proteins typically formed on the surface of pathogen cell membranes as a result of the activation of the host's complement system, and as such is an effector of the immune system.
MAC is used to compare the strengths, or potency, of anaesthetic vapours. [1] The concept of MAC was first introduced in 1965. [2] MAC actually is a median value, not a minimum as term implies. The original paper proposed MAC as the minimal alveolar concentration, [3] which was shortly thereafter revised to minimum alveolar concentration. [4]
The scholars highlight the literary malapropism, [29] but some in the medical community have adopted the term regardless, and peer-reviewed medical journals still sometimes mention the Lady Windermere syndrome, although it is increasingly viewed as a outdated and sexist term for a serious bacterial infection. [30] [31]
Family medical history FOH: Family ocular history F/U: Follow up appointment GH: General health G(M)P: General (medical) practitioner HA: Headaches HARC: Harmonious abnormal retinal correspondence HM: Hand motion vision – state distance Hx: History IOL: Intra-ocular lens IOP: Intra-ocular pressure ISNT: Inferior, Superior, Nasal, Temporal
Mitral annular calcification (MAC) is a multifactorial chronic degenerative process in which calcium with lipid is deposited in the annular fibrosa ring of the heart's mitral valve. MAC was first discovered and described in 1908 by M. Bonninger in the journal Deutsche Medizinische Wochenschrift . [ 1 ]
Terminal complement pathway deficiency is a genetic condition affecting the complement membrane attack complex (MAC). It involves deficiencies of C5, C6, C7, and C8. (While C9 is part of the MAC, and deficiencies have been identified, [1] it is not required for cell lysis. [2]) People with this condition are prone to meningococcal infection. [3]
Meaning M: murmur (heart murmur or heart attack that can cause death) MACE: Major adverse cardiovascular events: MAC: Mycobacterium avium complex: MAE: moves all extremities MAHA: microangiopathic hemolytic anemia: MAL: midaxillary line: MALT: mucosa-associated lymphoid tissue: MANOS: minilaparoscopy assisted natural orifice surgery: MAOI ...
Meaning [1] Latin (or Neo-Latin) origin [1] a.c. before meals: ante cibum a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte every night Omne Nocte a.s., as, AS left ear auris sinistra a.u., au, AU both ears together or each ear aures unitas or auris uterque b.d.s, bds, BDS 2 times a day bis die sumendum b.i.d., bid, BID