| nonreciprocal contact inhibition | <cell biology> Collision behaviour between different cell types in which one cell shows contact inhibition of locomotion and the other does not. An example is the interaction between sarcoma cells and fibroblasts (the former not being inhibited). (18 Nov 1997) |
|---|---|
| nonrefractive accommodative esotropia | That type of esotropia in which an abnormality of the accommodative-convergence mechanism is not eliminated by correction of refractive error. (05 Mar 2000) |
| nonreset nodus sinuatrialis | Nonreset of the sinoatrial node produced by a premature atrial depolarisaton when the sum of the duration of the premature cycle and the return cycle is fully compensatory, i.e., twice the duration of the spontaneous cycle length. Compare: reset nodus sinuatrialis. (05 Mar 2000) |
| nonresponder tolerance | Lack of immune response to antigen. Theories of tolerance induction include clonal deletion and clonal anergy. In clonal deletion, the actual clone of cells is eliminated whereas in clonal anergy the cells are present but nonfunctional. Synonym: immunological tolerance, immunotolerance, nonresponder tolerance. (05 Mar 2000) |
| nonrotation | Failure of normal rotation. (05 Mar 2000) |
| nonrotation of intestine | A developmental anomaly resulting in the small intestine being on the right of the abdomen and the colon on the left. (05 Mar 2000) |
| nonrotation of kidney | A developmental anomaly in which the hilum of the kidney retains its original position, facing ventrally. (05 Mar 2000) |
| nonsaponifiable | Not subject to saponification; e.g., triacylglycerols are saponifiable but cholesterol is nonsaponifiable. (05 Mar 2000) |
| nonsecretor | An individual whose saliva does not contain antigens of the ABO blood group. See: secretor. (05 Mar 2000) |
| nonseminoma | A classification of testicular cancers that arise in specialised sex cells called germ cells. Nonseminomas include embryonal carcinoma, teratoma, choriocarcinoma, and yolk sac tumour. (12 Dec 1998) |
| nonsense | As used in genetics, relating to a mutation that causes a sequence such that the growing peptide chain terminates, often after several incorrect amino acid residues are incorporated. (05 Mar 2000) |
| nonsense codon | <molecular biology> The three codons, UAA (known as ochre), UAG (amber) and UGA (opal), that do not code for an amino acid but act as signals for the termination of protein synthesis. Any mutation that causes a base change which produces a nonsense codon results in premature termination of protein synthesis and probably a nonfunctional or nonsense protein. (13 Nov 1997) |
| nonsense mutation | <molecular biology> A mutation that causes a polypeptide chain to be ended prematurely. (13 Nov 1997) |
| nonsense strand | <molecular biology> DNA that does not code for part of a polypeptide chain or RNA.This includes introns and pseudo genes. In eukaryotes the majority of the DNA is noncoding. Noncoding strand refers to the so called nonsense strand, as opposed to the sense strand which is actually translated into mRNA. (18 Nov 1997) |
| nonsense suppression | Mutant tRNAs that read a chain termination codon as the signal for incorporation of a specific amino acid residue. (05 Mar 2000) |
| nonvenereal syphilis |
Syphilis caused by organisms closely related to Treponema pallidum; spread by personal, but not necessarily venereal, contact; usually acquired in childhood, most common in areas of poverty and overcrowding; rare in the United States; includes yaws, pinta and bejel. [CancerWEB]
Ãâó: www.antiquusmorbus.com/English/EnglishN.htm
|
|---|---|
| non-Hodgkin's lymphoma |
a type of cancer of the lymph nodes. NHL is characterized by abnormal growth of B-cells, and is the most common type of lymphoma in people with HIV/AIDS.
Ãâó: www.aegis.com/pubs/beta/1999/be990414.html
|
| non-Hodgkin's lymphoma |
A group of malignant cancers of the immune system, including acute lymphoblastic leukemia, B cell lymphoma, Burkitt's lymphoma, diffuse cell lymphoma, follicularlymphoma, immunoblastic large cell lymphoma, lymphoblastic lymphoma, mantle cell lymphoma, mycosis fungoides, post-transplantation lymphoproliferative disorder, small non-cleaved cell lymphoma, and T-cell lymphoma.
Ãâó: nydailynews.healthology.com/nydailynews/15836.htm
|
| nontropical sprue |
An old name of the disease now known as coeliac disease or gluten enteropathy
Ãâó: www.gastrolab.net/dicten.htm
|
| non-Hodgkin's lymphoma |
A cancer characterized by uncontrolled proliferation of lymphocytes (usually B cells, but sometimes T cells), NHL can cause tumors in lymph nodes or other organs, such as the spleen, bone marrow, gastrointestinal tract, and brain. It is more likely than Hodgkin's lymphoma to cause disease in sites that are distant from one another. There are several grades of NHL. Treatment is with chemotherapy, radiation, or bone-marrow transplant.
Ãâó: www.thebody.com/hivnews/aidscare/dec97/pullout.htm...
|
| non | not allowable as a deduction |
|---|---|
| non | not restricted to a particular religious denomination |
| non | a financial institution that funds their investment activities from the sale of securities or insurance |
| non | a person is not easily classified and not very interesting |
| non | lacking distinct or individual characteristics |
| non | failure of normal development to occur |
| non | not digestible |
| non | an antenna that sends or receives signals equally in all directions |
| non | an investment trust that can buy only those securities listed when the trust was organized |
| non | meiosis in which there is a failure of paired homologous chromosomes to separate |
| non | not designed to be thrown away after use |
| non | of assets |
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