303 results found

Search Results for: rh factor

Limiting factor

Limiting Factor Definition A limiting factor refers to any of the factors (variables) in an environment capable of limiting... 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

Christmas factor

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

Factor

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

Blood clotting factor

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

Abiotic factor

An abiotic factor is a non-living element of the environment that influences the way organisms and ecosystems function. Some... Read More

Biotic factor

Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More

Autocrine signaling

Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More

Density dependent factor

Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More

Density dependent limiting factor

What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... 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

Thrombin

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

Conjugation

Conjugation generally means the joining or coming together (union), such as in certain unicellular organisms (some bacteria,... 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

Virulence

Virulence Definition In biology, virulence is defined as the degree to which a pathogenic organism can cause disease. A... Read More

Fish

While insects and similar types of organisms strived to occupy land, the sea was teeming with life aiming to secure their... Read More

Abiotic

An abiotic factor in Ecology or Biology pertains to any constituent within an ecosystem that lacks inherent life or living... Read More

Ecosystem Succession

Just one of the amazing aspects of life on Earth is that it spreads to all areas where the habitat will allow it to survive.... Read More

Hemolysis

The breakdown or catabolism of red blood cells or erythrocytes that result in the expulsion of hemoglobin and other... Read More

Platelet

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

Agglutination

Agglutination Definition What does agglutination mean? It generally refers to the process of sticking together or the... Read More

Stable factor

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

Precipitating factors

Precipitating Factor Definition Precipitating factors are factors that initiate or promote the onset of any illness,... Read More

Haemophilia

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

Fibrinogen

Definition noun, plural: fibrinogens A soluble rod-shaped plasma glycoprotein (340 kd, 46 nm long) consisting of six peptide... 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

Thromboplastinogen

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

First-order kinetics

What is a First-Order Kinetics (First-Order Reaction)? First-order kinetics refers to a reaction wherein the overall rate... Read More

Fibroblast

The building block of living things is known as the cell. The cell contributes to many parts and functions of different... Read More

Blastula

Human embryology is a fascinating subject and has succeeded in captivating the attention of human beings for ages.... Read More

Nucleosome

Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More

Environmental resistance

Environmental Resistance Definition Environmental resistance is such a process in which certain different elements or... Read More

Independent variable

Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More

F-prime bacterium

Definition noun, plural: F' bacteria The bacterium possessing a plasmid containing the F factor and a part of the bacterial... Read More

Myoblast

Myoblast Definition A myoblast is a progenitor cell that when it stops dividing enters myogenesis to develop into a myocyte... Read More

Colony-forming unit

Colony Forming Unit Definition A Colony Forming Unit (CFU) in microbiology and cellular biology refers to a measure of... Read More

Transcription (biology)

In biology, transcription is the process of transcribing or making a copy of the genetic information stored in a DNA strand... 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