300 results found

Search Results for: factor

Limiting factor

Limiting factor in biology refers to any of the factors (variables) in an environment capable of limiting a process, such as... Read More

Christmas factor

Definition noun A blood clotting factor in the intrinsic pathway of the blood coagulation cascade and works with clotting... Read More

Blood clotting factor

Definition noun, plural: blood clotting factors Any of the many plasma components involved in blood clot... Read More

Biotic factor

Biotic Factor Definition Biotic factors (also known as biotic components) are the living component in an ecosystem. The... Read More

Factor IV

Definition noun Any of the calcium ions that serve as a factor in blood coagulation Supplement Coagulation, the process of... Read More

Factor

Definition noun, plural: factors (1) (biology) A substance that takes part in a biochemical reaction (e.g. blood-clotting... Read More

Growth factor

Growth factor (Science: biochemistry) a complex family of polypeptide hormones or biological factors that are produced by... Read More

Stable factor

stable factor --> factor vii (Science: chemical) heat- and storage-stable plasma protein that is activated by tissue... Read More

Plasma labile factor

plasma labile factor --> factor v (Science: chemical) heat- and storage-labile plasma glycoprotein which accelerates the... Read More

Abiotic factor

Definition noun, plural: abiotic factors A non-living chemical or physical factor in the environment, such as soil, pH,... Read More

F-factor

Definition noun A DNA sequence or plasmid that confers certain bacteria the ability to produce a sex pilus for conjugation... Read More

Resistance factor

Definition noun, plural: resistance factors The earlier term used to refer to the plasmid that confers certain bacteria the... Read More

Maturation-promoting factor

maturation-promoting factor (Science: enzyme) A protein kinase that drives both the mitotic and meiotic cycles in all... Read More

Fertility factor

Definition noun A DNA sequence or plasmid that confers certain bacteria the ability to produce a sex pilus for conjugation... Read More

Density dependent limiting factor

Definition noun A limiting factor of a population wherein large, dense populations are more strongly affected than small,... Read More

Density dependent factor

Definition noun, plural: density dependent factors (ecology) A factor whose effects on the size or growth of population vary... Read More

Density Independent Factor

Definition noun, plural: density independent factors (ecology) A factor that affects the size of a population independent or... Read More

Rh factor

rh factor An antigen that may or may notbe present on the surface of human bloodcells. If a person's blood has the antigen,... Read More

Tissue weighting factor

tissue weighting factor In radiation protection, a factor weighting the equivalent dose in a particular tissue or organ in... Read More

Factor xa

Factor xa (Science: enzyme) Activated form of factor x that participates in both the intrinsic and extrinsic pathways of... Read More

Inhibiting Factor

A factor that inhibits the secretion of hormones, as opposed to a releasing... Read More

Sex factor

Definition noun A DNA sequence or plasmid that confers certain bacteria the ability to produce a sex pilus for conjugation... Read More

Attenuation factor

Attenuation factor (Science: radiobiology) a measure of the opacity of a layer of material for radiation transversing it,... Read More

Intrinsic factor

Intrinsic factor a mucoprotein normally secreted by the epithelium of the stomach and that binds vitamin b12, the intrinsic... Read More

Thrombin

Definition noun An activated form of factor II that is generated in blood clotting and acts as a catalyst during the... Read More

Prothrombin

Definition noun A blood clotting factor that when activated converts into thrombin (factor IIa), which in turn activates... Read More

Haemophilia A

Definition noun A form of haemophilia that is caused by a deficiency in blood clotting factor VIII due to a gene defect in... Read More

R factor

Definition noun, plural: R factors Abbreviated term for resistance factor that confers certain bacterial strain resistant to... Read More

Risk factor

risk factor (Science: statistics) A clearly defined occurrence or characteristic that has been associated with the increased... Read More

“Mutualism factor” could explain why body does not attack normal flora

When sadness reeks in and you feel as if you are all by yourself, think again. That is because you are never alone. As a... Read More

Coupling factor

Coupling factor protein responsible for coupling transmembrane potentials to atp synthesis in chloroplasts and mitochondria.... Read More

S factor

S factor The individual variables, or empirically most minute subclusters of intercorrelations or common variance, found in... Read More

Animal protein factor

Animal protein factor --> vitamin b12 (Science: biochemistry) member of the water soluble B vitamin group, important in the... Read More

Transcription factor

transcription factor (Science: molecular biology) protein required for recognition by rNA polymerases of specific... Read More

Confounding factors

Confounding factor (Science: epidemiology) factors that can cause or prevent the outcome of interest, are not intermediate... Read More

Platelet

Definition noun, plural: platelets A discoid cellular fragment (2–3 µm diameter) important for blood coagulation and for... Read More

Haemophilia

Definition noun A condition that is characterized by uncontrolled bleeding from the mouth, gums, lips, and tongue,... Read More

Thromboplastinogen

thromboplastinogen --> factor viii A coagulation (clotting) factor. Classic haemophilia (haemophilia A) is due to a... Read More

F-negative bacterium

Definition noun, plural: F- bacteria The bacterial strain that does not contain F factor. Supplement F- bacterium serves as... Read More

F-positive bacterium

Definition noun, plural: F+ bacteria A bacterium with F factor existing as a plasmid and not integrated in the bacterial... Read More