Category: A

  • Antineuritic factors

    Factors needed for normal nerve development, usually included are the B vitamins; an antineuritic factor prevents an inflammation of the neuron or axon.  

  • Antimycin A

    An antibiotic; it also is an inhibitor of oxidative phosphorylation blocking the activity of complex III of the respiratory chain.  

  • Anti-inflammatory drugs

    The two types of anti-inflammatory drugs; steroids and non-steroids. The steroids, such as hydrocortisone, prednisone, and other similar compounds, are prescription drugs that act by inhibiting the enzyme phospholipase A2. Phospholipase A2 stimulates the release of arachidonic acid from the membrane phospholipids. Hence, inhibition of this reaction will result in a decreased supply of arachidonic…

  • Antihypertensive drugs

    Drugs that serve to maintain normal blood pressure. They can block the receptors for the vasoconstrictor hormones, promote water loss by decreasing the renal water reabsorption process, inhibit the activity of the angiotensin converting enzyme (ACE), or interfere with the calcium ion second messenger systems. A group of drugs used to treat high blood pressure…

  • Anticoding strand

    A strand of DNA that is used as a template to direct the synthesis of RNA that is complementary to it.  

  • Anticholinergic compounds

    The drug atropine sulfate (a belladonna alkaloid) acts as an anticholinergic compound and is used to control heart rhythm. It is also a vagolytic compound that is used preoperatively to diminish secretions and block vagal reflexes.  

  • Anterior pituitary hormones

    Hormones produced and released by the anterior pituitary. There are ten hormones released by the anterior portion of the pituitary gland located in the brain. These hormones are growth hormone (GH or somatotropin), prolactin (PRL), thyroid-stimulating hormone (TSH or thyrotropin), follicle- stimulating hormone (FSH), luteinizing hormone (LH), adrenocorticotropic hormone (ACTH), melanocyte-stimulating hormone (MSH), ß-lipotropin, ß-endorphin,…

  • Antecedent events

    Events that precede or are causally linked to an event.  

  • Anorectin

    A peptide that serves as a satiety signal.  

  • Animal models for human disease

    Numerous small animals have some characteristics in common with diseased humans. These can be used to study the disease process.