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Blood in Biological Definition

Affinity chromatography

... solution, such as a cell lysate, growth medium or blood serum. The molecule of interest will have a well ... free extracts and antibody purification from blood serum . Possibly the most common use of ... is the affinity purification of antibodies from blood serum. If serum is known to contain antibodies ...

Albumin

... for albumen , or egg white. Albumin is a blood plasma protein that is produced in the liver ... range of albumin concentrations in human blood is 3.5 to 5.0 g/dL, and albumin normally ... of plasma protein; all other proteins present in blood plasma are referred to collectively as globulin ....

Allele

... plant. Codominance is also apparent in human blood types . A gene containing the codominant pure blood type alleles "AA" and "BB" would result in a blood type of "AB". A wild type allele is an allele ...

Antibody

... function as antibodies. They are found in the blood and tissue fluids, as well as many secretions . ... and is approximately equally distributed in blood and in tissue liquids. It is important that this ... about 15 to 20% of immunoglobulins in the blood although it is primarily secreted across the ...

Biomechanics

... loads. For example, the effects of elevated blood pressure on the mechanics of the arterial wall, ... of Circulation Under most circumstances, blood flow can be modeled by the Navier-Stokes equations . Whole blood can often be assumed to be an incompressible ...

Blood

... Red blood cells (erythrocytes) are present in the blood and help carry oxygen to the rest of the cells in the body blood is a circulating tissue composed of fluid ...

Full blood count

... A full blood count ( FBC ) or complete blood count ( CBC ) is a test requested by a doctor ... showTocToggle("show","hide") 1 Automated blood count 2 ...

Brain

... homeostatic body functions such as heartbeat, blood pressure, fluid balance and body temperature. ... impact itself. Stroke , caused by blockage of blood vessels in the brain, is another major cause of ... resonance imaging (fMRI) measures changes in blood flow in the brain, but the activity of neurons is ...

Cancer

... people. Examples include: bladder carcinoma , blood (and bone marrow ) - hematological ... cancer can be detected through fecal occult blood testing and colonoscopy , which reduces both ... along with annual prostate specific antigen blood testing. Screening for cancer is controversial ...

Diabetes mellitus

... varying or persistent hyperglycemia (elevated blood sugar levels), especially after eating. All ... understanding and participation is vital as blood glucose levels change continuously, while successfully keeping blood sugar within normal limits has been compellingly ...

Dialysis

... for removing waste such as urea from the blood when the kidneys are incapable of this, i.e. ... dialysis . In hemodialysis , the patient's blood is passed through a tube into a machine that filters out waste products. The cleansed blood is then returned to the body. In peritoneal ...

Immune system

... products, complements, damaged cells and white blood cell fragments; chemotaxis is followed by ... on immune cells called leukocytes (or white blood cells) that are produced by stem cells in the ... and viruses in the body liquids (such as blood ). Its primary means of action are proteins ...

Insulin

... other medications are inadequate in controlling blood glucose levels. Insulin has the empirical ... and metabolic level 4 Regulatory action on blood glucose 5 Signal transduction 6 The ... C-peptide . This polypeptide is released into the blood in equal amounts to the insulin protein. Since ...

Kidney

... filter wastes (especially urea ) from the blood and excrete them, along with water , as urine ... capsule . Each glomerulus is supplied with blood by an afferent (in-coming) arteriole . The ... the glomerulus have pores allowing filtration. blood pressure provides the force ...

Liver

... anatomy 1.2 Functional anatomy 1.3 Fetal blood supply 2 Physiology 3 Diseases of ... kidney . The liver is supplied by two major blood vessels: the hepatic artery and the portal ... the celiac trunk . The portal vein brings venous blood from the digestive tract, so that the liver can ...

Lung

... oxygen from air with carbon dioxide from blood . The process in which this happens is called " ... it is carried by hemoglobin . The deoxygenated blood from the heart reaches the lungs via the ... and carbon-dioxide are traded with cross-flowing blood capillaries by diffusion, a process of ...

Malaria

... Red blood cell infected with P.vivax Malaria ( ... then turn into merozoites which then enter red blood cells . There they multiply further, periodically breaking out of the red blood cells. The classical description of waves of ...

Muscle

... such as the intestines , throat and blood vessels . The differences in ... which it controls erection of body hair) to the blood vessels and digestive tract (in which it ... include testing creatine kinase levels in the blood and electromyography (measuring electrical ...

Nephron

... supporting human life. The nephron filters the blood by several processes concentrating the ... so, eliminates wastes from the body, regulates blood volume and blood pressure , regulates the levels of important ...

Osmoregulation

... would be toxic if allowed to accumulate in the blood via organs such as the skin and the kidneys; ... occur: filtration - fluid portion of blood (plasma) is filtered from nephron (functional ... of the viscous glomerular filtrate is returned to blood vessels which surround the convoluted tubules. ...

Blood type

... A blood type is a description an individual's characteristics of red blood cells due to substances ( carbohydrates and ... two most important classifications to describe blood types in humans are ABO and Rh factor . There ...

Blood plasma

... blood plasma is a component of blood . It is the liquid in which blood cells are suspended. ...

Skin

... underlying basement membrane . It contains no blood vessels , and is nourished by diffusion from the ... and takes place within about 30 days. blood capillaries are found beneath the epidermis, and ... and contains a number of structures including blood vessels, nerves, hair follicles, smooth muscle ...

Stem cell

... 2 Sources of stem cells 2.1 Cord blood stem cells 2.2 Adult stem cells 2.3 ... own stem cells 3.2.5 Neurology 3.2.6 blood supplies 3.2.7 Baldness 4 Embryonic ... cells can only become some types of cells: e.g. blood cells , or bone cells . Stem cells are also ...

Thermoregulation

... of the body, although the circulation of the blood tends to bring about a mean temperature of the ... temperature is higher than that of the arterial blood with which it is supplied. Also a certain amount ... vascular areas leads to a larger flow of blood through the skin, and so tends to cool the body, ...

Twin

... become entangled, reducing or interrupting the blood supply to the developing fetus. Monochorionic ... one placenta, usually also share the placental blood supply. In rare cases, blood passes disproportionately from one twin to the ...

Anton van Leeuwenhoek

... to observe and describe muscle fibres, bacteria , spermatozoa and blood flow in capillaries (small blood vessels ). His name at birth was Thonis Philipszoon . His letters were ...

B cell

... any one time in the human body millions of B cells are circulating in the blood and lymph, but are not producing antibodies. There are two types of B ... Humoral immunity (the creation of antibodies that circulate in blood plasma and lymph ) involves B cell activation . Cell activation can be ...

Ebola

... funeral for him. In preparation for this funeral, they removed all the blood and excreta from his body with their bare hands. Most of the women in his ... tract . The patient may also be going into shock (has a systolic blood pressure of less than 90 mm Hg or a rapid weak pulse). Finally, that ...

Eugenics

... however remote a degree to give to the more suitable races or strains of blood a better chance of prevailing speedily over the less suitable than they ... the 1970s , it has reduced the ratio of children born with the hereditary blood disease from 1 out of every 158 births to almost zero. In modern ...

Homeostasis

... of body temperature. This is mainly done by the skin. The regulation of blood glucose level. This is mainly done by the liver and the insulin secreted ... features body fluids in multicellular animals. The body fluids include blood plasma , tissue fluid and intracellular fluid . The maintenance of a ...

Human

... more often than women. For example, genes that control the clotting of blood reside on the X chromosome. Women have a blood-clotting gene on each X ... blood-clotting gene since there is no gene on the Y chromosome to control blood clotting. As a result, men will suffer from hemophilia more often than ...

Marfan syndrome

... many structures, including the skeleton , lungs , eyes , heart and blood vessels . It is named for the French pediatrician Antoine Marfan , ... cause leakage of the mitral or aortic valves that control the flow of blood through the heart. This may produce shortness of breath, an irregular ...

Magnetic resonance imaging

... 3D time-of-flight sequences), where the only signal on an image is due to blood which has recently moved into that plane. Magnetic resonance ... activity cause changes in the MR signal via a mechanism called the BOLD ( blood oxygen level-dependent) effect. Increased neural activity causes an ...

Nervous system

... or stress, and is responsible for the increase of one's heartbeat and blood pressure, among other physiological changes, along with the sense of ... constriction of the pupil, the slowing of the heart, the dilation of the blood vessels, and the stimulation of the digestive and geniturinary systems. ...

Polymerase chain reaction

... identify a person by comparing his or her DNA with a given sample, e.g., blood from a crime scene can be genetically compared to blood from a suspect. The sample may contain only a tiny amount of DNA, obtained ...

Signal transduction

... signals are produced by endocrine cells and travel through the blood to reach all parts of the body. Paracrine signals target only cells ... after a stroke . NO serves three main functions: Relaxation of blood vessels . Regulation of exocytosis of neurotransmitters . ...

Antibiotic resistance

... Staphylococcus aureus ) was first detected in Britain in 1961 and is now "quite common" in hospitals. MRSA was responsible for 37% of fatal cases of blood poisoning in the UK in 1999, up from 4% in 1991. Half of all S. aureus infections in the US are resistant to penicillin, methicillin, tetracycline ...

Apoptosis

... process. Homeostasis In the adult organism, the number of cells within an organ or tissue has to be constant within a certain range. blood and skin cells, for instance, are constantly renewed by their respective progenitor cells; but proliferation has to be compensated by cell death. ...

Biological tissue

... - Lines, covers, protects, absorbs and secretes. Connective tissue - As the name suggests, connective tissue holds everything together. blood is considered a connective tissue. Muscle tissue - Muscle cells contain contractile filaments that move past each other and change the size ...
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