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EAC 423
EAC 423 The enzyme which in both the classical and alternate complement pathways cleaves complement 3 into anaphylatoxin (C3a) and C3b.
RELATED TERMS--------------------------------------
Enzyme
A cellular protein whose shape allows it to hold together several other molecules in close proximity to each other. In this way, enzymes are able to induce chemical reactions in other substances with little expenditure of energy and without being changed themselves. Basically, an enzyme acts as a catalyst.
Complement
A series of serum proteins involved in the mediation of immune reactions. The complement cascade is triggered classically by the interaction of antibody with specific antigen.
Anaphylatoxin
Substance capable of releasing histamine from mast cells.
SIMILAR TERMS--------------------------------------
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Ear Acupuncture
Acupuncture therapy by inserting needles in the ear. It is used to control pain and for treating various ailments.
Eagle
Members of the Falconiformes order of birds, family Accipitridae. They are characterized by their powerful talons, which carry long, curved, pointed claws and by their opposable hindtoe.
EAN (Experimental Allergic Neuritis)
An experimental animal demyelinating disease model of GUILLAINE-BARRE SYNDROME. In the most frequently used protocol, animals are injected with a peripheral nerve tissue protein homogenate. After approximately 2 weeks the animals develop a neuropathy secondary to a T cell-mediated autoimmune response directed towards the MYELIN P2 PROTEIN in peripheral nerves. Pathologic findings include a perivascular accumulation of macrophages and T lymphocytes in the peripheral nervous system, similar to that seen in the Guillaine-Barre syndrome. (From Adams et al., Principles of Neurology, 6th ed, p1314; J Neuroimmunol 1998 Apr 1;84(1):40-52)
Eagles
Members of the Falconiformes order of birds, family Accipitridae. They are characterized by their powerful talons, which carry long, curved, pointed claws and by their opposable hindtoe.
EAC142
The enzyme which in both the classical and alternate complement pathways cleaves complement 3 into anaphylatoxin (C3a) and C3b.
EAC 423
Ear Protective Devices
Personal devices for protection of the ears from loud or high intensity noise, water, or cold. These include earmuffs and earplugs.
Ear Protective Device
Personal devices for protection of the ears from loud or high intensity noise, water, or cold. These include earmuffs and earplugs.
Ear Neoplasms
Tumors or cancer of the internal, external, or middle ear.
Ear Neoplasm
Tumors or cancer of the internal, external, or middle ear.
Ear Molds
Wearable sound-amplifying devices that are intended to compensate for impaired hearing. These generic devices include air-conduction hearing aids and bone-conduction hearing aids. (UMDNS, 1999)
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