| 释义 |
MHC
MHCabbr. major histocompatibility complexMHC abbreviation for 1. (Genetics) major histocompatibility complex; a series of genes located on chromosome 6 that code for antigens. They are important in determining histocompatibility 2. (Medicine) major histocompatibility complex; a series of genes located on chromosome 6 that code for antigens. They are important in determining histocompatibility MHC major histocompatibility complex: a group of genes that determine histocompatibility antigens, located in humans on the sixth chromosome. Compare HLA. MHC
MHC (immunology) major histocompatibility complex MHC
complex [kom´pleks] 1. the sum, combination, or collection of various things or related factors, like or unlike; e.g., a complex of symptoms (see syndrome).2. a group of interrelated ideas, mainly unconscious, that have a common emotional tone and strongly influence a person's attitudes and behavior.3. that portion of an electrocardiographic tracing which represents the systole of an atrium or ventricle.AIDS-related complex (ARC) a complex of signs and symptoms occurring in HIV infection including fever, weight loss, prolonged diarrhea, minor opportunistic infections, lymphadenopathy, and changes in cells of the immune system.antigen-antibody complex here the complex formed by the noncovalent binding of an antibody and antigen. Complexes of antibodies belonging to certain immunoglobulin classes may activate complement. Called also immune complex.anti-inhibitor coagulant complex (AICC) a concentrated fraction from pooled human plasma, which includes various coagulation factors. It is administered intravenously as an antihemorrhagic in hemophilic patients with inhibitors to coagulation factor VIII" >coagulation factor VIII.atrial complex the P wave of the electrocardiogram, representing electrical activity of the atria. See also complex" >ventricular complex.castration complex in psychoanalytic theory, unconscious thoughts and motives stemming from fear of loss of the genitals as punishment for forbidden sexual desires.Electra complex libidinous fixation of a daughter toward her father. This term is rarely used, since oedipus complex is generally applied to both sexes.factor IX complex a sterile, freeze-dried powder consisting of partially purified coagulation factor IX fraction, as well as concentrated factor II, VII, and X fractions, of venous plasma from healthy human donors. It is used in the prophylaxis and treatment of bleeding in patients with hemophilia B, replacement of factor VII in patients deficient in that factor, and treatment of anticoagulant-induced hemorrhage. Administered intravenously.Ghon complex primary complex (def. 1).Golgi complex golgi apparatus" >golgi apparatus.HLA complex the human major histocompatibility complex, which contains the hla antigens.immune complex antigen-antibody complex.inclusion complex one in which molecules of one type are enclosed within cavities in the crystalline lattice of another substance.inferiority complex unconscious feelings of inadequacy, producing shyness or timidity or, as a compensation, exaggerated agressiveness and expression of superiority; based on Alfred Adler's concept that everyone is born with a feeling of inferiority stemming from real or imagined physical or psychological deficiency, with the manner in which the inferiority is handled determining behavior.interpolated premature ventricular complex a premature ventricular complex that does not interfere with the conduction of the next sinus beat, i.e., it lacks the usual following compensatory pause.major histocompatibility complex (MHC) the chromosomal region containing genes that control the antigens" >histocompatibility antigens; in humans it controls the hla antigens.membrane attack complex (MAC) C5b,6,7,8,9, the five-molecule complex that is the cytolytic agent of the complement system.Oedipus complex see oedipus complex.primary complex 1. the combination of a parenchymal pulmonary lesion (Ghon focus) and a corresponding lymph node focus, occurring in primary tuberculosis, usually in children. Similar lesions may also be associated with other mycobacterial infections and with fungal infections.2. the primary cutaneous lesion at the site of infection in the skin, e.g., chancre in syphilis and tuberculous chancre.QRS complex a group of waves seen on an electrocardiogram, representing ventricular depolarization. Called also QRS wave. It actually consists of three distinct waves created by the passage of the cardiac electrical impulse through the ventricles and occurs at the beginning of each ventricular contraction. In a normal surface electrocardiogram the R wave is the upward deflection; the first downward deflection represents a Q wave and the final downward deflection is the S wave. The Q and S waves may be extremely weak and sometimes are absent.
One abnormality of the QRS complex is increased voltage resulting from enlargement of heart muscle, which produces increased quantities of electric current. A low-voltage QRS complex may result from toxic conditions of the heart, most commonly from fluid in the pericardium. Pleural effusion and emphysema also can cause a decrease in the voltage of the QRS complex.VATER complex an association of congenital anomalies consisting of vertebral defects, imperforate anus, tracheoesophageal fistula, and radial and renal dysplasia.ventricular complex the Q, R, S, and T waves of the electrocardiogram, representing ventricular electrical activity. See also complex" >atrial complex.MHCAbbreviation for major histocompatibility complex, minor histocompatibility complex.MHCabbr. major histocompatibility complexMHC Abbreviation for:
major histocompatibility complex
mental health course (Medspeak-UK)
moisture holding capacity
multiphasic health checkup
myosin heavy chain
Genetics
Major histocompatibility complex. A small region of the genome that is highly conserved in vertebrate evolution, which encodes three classes of polymorphic molecules known as the immune recognition unit. The MHC is located on the short arm of chromosome 6 in humans, and on chromosome 17 in mice. The products of the MHC gene complex are membrane-bound receptors for antigens and peptides which, when bound, are displayed to T cells; if the bound peptides are recognised by the T cells, an immune response against those peptides is initiated.MHC Major histocompatibility complex A small region of the genome that is highly conserved in vertebrate evolution, which encodes 3 classes of polymorphic molecules known as the immune recognition unit; the MHC is located on the short arm of chromosome 6 in humans; the products of the MHC gene complex are membrane-bound receptors for antigens and peptides which, when bound, are displayed to T cells; if the bound peptides are recognized by the T cells, an immune response against those peptidesis initiatedMHC Abbreviation for major histocompatibility complex; minor histocompatibility complex. MHC Abbrev. for MAJOR HISTOCOMPATIBILITY COMPLEX.MHC Abbreviation for major histocompatibility complex. MHC
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| MHC➣Mount Holyoke College (South Hadley, MA) | | MHC➣Major Histocompatibility Complex | | MHC➣Mars Hill College | | MHC➣Myosin Heavy Chain | | MHC➣McLaren Health Care (Michigan) | | MHC➣Mental Health Counselor (various organizations) | | MHC➣Macaulay Honors College (New York) | | MHC➣Mutual Holding Company | | MHC➣Metropolitan Housing Coalition (Louisville, KY) | | MHC➣Mobile Home Community (various locations) | | MHC➣Mental Health Clinic (various organizations) | | MHC➣Mini HiFi Component | | MHC➣Mental Health Center | | MHC➣Medicine Hat College (Alberta, Canada) | | MHC➣Midwest Haunters Convention (trade show) | | MHC➣Mars Hill Church (Seattle, WA) | | MHC➣McGraw-Hill Companies (publishing) | | MHC➣Manufactured Home Communities | | MHC➣Manipulator Hand Controller | | MHC➣Mental Health Counseling | | MHC➣Mental Health Commission | | MHC➣Matthew Henry's Commentary (Bible commentary) | | MHC➣McGraw-Hill Construction (publishing) | | MHC➣Man in the High Castle (Philip K. Dick book) | | MHC➣Mental Health Coordinator | | MHC➣Metropolitan Hospital Center (New York, NY) | | MHC➣Mile High Club | | MHC➣Migrant Health Centers (US HRSA) | | MHC➣Multibank Holding Company | | MHC➣Michigan Humanities Council | | MHC➣Mexican Heritage Corporation (San Jose, CA) | | MHC➣Mental Health Coalition | | MHC➣McKinley Health Center (University of Illinois) | | MHC➣Math Help Center (various schools) | | MHC➣Most Hated Crew | | MHC➣Manchester Handball Club (UK) | | MHC➣Management Headquarters Ceiling (US DoD) | | MHC➣Mobile Health Clinics | | MHC➣Minehunter, Coastal | | MHC➣Missouri Humanities Council | | MHC➣Manitoba Horse Council (Winnipeg, MB, Canada) | | MHC➣Mount Hope Church (Grand Blanc, MI) | | MHC➣Material-Handling Car | | MHC➣Maryland Horse Council | | MHC➣Millenial Housing Commission | | MHC➣Minor Histocompatibility Complex (immunology) | | MHC➣Mechanical Hydraulic Control | | MHC➣Methodist Health Care | | MHC➣Manufactured Housing Consultant (Canadian Manufactured Housing Institute) | | MHC➣Modern Housing Complex (India) | | MHC➣Mary Holmes College (West Point, Mississippi) | | MHC➣Manufactured Housing Commission | | MHC➣Mild Hydrocracking Unit | | MHC➣Masonic Healthcare Center (Wallingford, CT) | | MHC➣Material Handling Cost (cellular manufacturing systems) | | MHC➣Michigan Historical Commission | | MHC➣Military High Command | | MHC➣Materiel Handling Crane | | MHC➣Munshi Head Constable (India) | | MHC➣Moto-Club des Hauts Cantons (French: Senior Townships Motorcycle Club) | | MHC➣Multi Hypothesis Correlation | | MHC➣Maritime Historical Conference | | MHC➣Mixed Hepatocellular Carcinoma |
ThesaurusSeecomplex |