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drug in Biological Definition

Drug

... A drug is any substance that can be used to treat an ... may even be considered both a food and a drug at the same time. The term "medication" is ... Efficacy The effects of a particular drug can vary greatly depending on a number of ...

Metabolism

... 1.2 Catabolism 1.3 Anabolism 1.4 drug metabolism 1.5 Nitrogen metabolism 2 ... cycle Carbon fixation drug metabolism drug metabolism pathways, the modification or ...

Selective serotonin reuptake inhibitor

... the word (i.e. animals given free access to the drug do not actively seek it out and do not seek to ... 30 deaths, prompted the United States Food and drug Administration to ban it as an over-the-counter ... drugs. External links MEDLINEplus drug information database The FDA Ban of ...

Alexander Fleming

... chemists. In part by believing its effect may only hold valid with small infections and further by not being well received within the community, the drug was not developed for mass distribution until World War II when Howard Florey and Ernst Boris Chain developed a method of purifying penicillin ...

Amino acid

... of substances derived from amino acids Monosodium glutamate is a food additive to enhance flavor. L-DOPA (L-dihydroxyphenylalanine) is a drug used to treat Parkinsonism . 5-HTP (5-hydroxytryptophan) has been used to treat neurological problems associated with PKU (phenylketonuria). ...

Antibiotic

... An antibiotic is a drug that kills or slows the growth of bacteria . Antibiotics are one class of "antimicrobials", a larger group which also includes anti-viral, ...

Antibiotic resistance

... adaptable to antibiotic pressure. It was the first bacterium in which penicillin resistance was found -- in 1947, just four years after the drug started being mass-produced. Methicillin was then the antibiotic of choice. MRSA ( methicillin-resistant Staphylococcus aureus ) was first ...

Antibody

... obtained. Monoclonal antibodies have much greater specificity than polyclonal antibodies . See also Immunology Immunosuppressive drug Monoclonal antibody References Rhoades, Rodney and Richard Pflanzer (2002). Human Physiology (4 th ed.). Brooks/Cole. ISBN ...

Barbiturate

... for euthanasia and for capital punishment by lethal injection . References Text partially derived from public domain text from U.S. drug Enforcement Agency . ...

Brain

... are all linked to genetic or chromosomal errors. Malfunctions in the embryonic development of the brain can be caused by genetic factors or by drug use or disease in the mother. Brains in philosophy Some philosophers consider that "brain" is synonymous with " mind ", while others believe ...

Colchicine

... for familial Mediterranean fever , amyloidosis , and scleroderma . Side-effects include gastro-intestinal upset and neutropenia . Starting the drug early during an attack of gout can exacerbate the symptoms. High doses can also damage bone marrow and lead to anemia . It's not used in the ...

Fungus

... (worm-eating). Some insectivorous species produce sticky substances which trap insects, while the worm-eating fungi produce substances which drug and immobilize worms, which are then consumed. Some fungi, usually ascomycetes, live as lichens . A lichen is a very close mutualistic ...

Growth curve

... chemotherapy is started. Many tumor cells are killed by the chemotherapy, but eventually some cancer cells that are resistant to the chemotherapy drug begin to grow rapidly. The chemotherapy is no longer useful and is discontinued. The growth of children Children who fall significantly below ...

Hepatitis B

... method of transmission depends on the prevalence of the disease in a given area. In low prevalence areas, such as the continental United States, IV drug abuse and unprotected sex are the primary method. In moderate prevalence areas, the disease is predominantly spread among children. In high ...

Immune system

... cell autoimmune disorders CD4 receptor /CD8 receptor / perforin / apoptosis /clonal selection immunosuppression immunosuppressive drug immunotherapy lymphatic system / lymphocyte macrophage major histocompatibility complex / class I MHC /class II MHC ...

Kary Mullis

... are more likely entering an ice age . Mullis, according to the above mentioned essay collection, has been at various times an avid surfer and drug -user. ( Nitrous oxide , marijuana , DET , LSD (before it was illegal)) He currently resides in Newport Beach, California and in Anderson ...

Antibiotic resistance

... adaptable to antibiotic pressure. It was the first bacterium in which penicillin resistance was found -- in 1947, just four years after the drug started being mass-produced. Methicillin was then the antibiotic of choice. MRSA ( methicillin-resistant Staphylococcus aureus ) was first ...

Parasitology

... and multicellular organisms such as Schistosoma spp., Wuchereria bancrofti and Necator americanus . Medical parasitology can involve drug development, epidimiological studies and study of zoonoses . Veterinary parasitology The study of parasites which cause economic losses in ...
Other Contents
(Date:4/16/2014)... known as Kennedy,s disease, spinal and bulbar muscular atrophy ... slowly progressive muscle weakness and atrophy. Researchers have long ... motor neurons the cells in the spinal cord ... a new study published in the April 16, 2014 ... scientists at the University of California, San Diego School ...
(Date:4/16/2014)... we do all of our movements, thoughts and ... one another, and recent studies have suggested that some ... Brain cells known as astrocytes may be listening in ... But a new mouse study suggests that astrocytes might ... specifically, when the neurons get really excited about something. ...
(Date:4/16/2014)... Panagiotis Papatheodorou from the Institute of Experimental and Clinical ... discovered the receptor responsible for smuggling the toxin of ... The TpeL toxin, which is formed by C. ... food poisoning. It is very similar to the toxins ... Clostridium . The toxins bind to surface molecules and ...
Breaking Biology News(10 mins):Mutant protein in muscle linked to neuromuscular disorder 2Eavesdropping on brain cell chatter 2Eavesdropping on brain cell chatter 3Gate for bacterial toxins found 2
(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
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