Category: A

  • Amytal

    Commercial preparation of amobarbital one of the barbiturates. Amytal is a barbiturate that is an inhibitor of oxidative phosphorylation. It works by inhibiting the passage of electrons from complex I to complex III. A brand-name formulation of a barbiturate medication.  

  • Amyotonia congenita

    A relatively rare disease characterized by a pronounced flaccidity of the muscles. Oppenheim’s disease. A congenital disease of children in which the muscles lack tone. A condition typically present from birth and occasionally running in families, that manifests in early childhood with notably weak, small, and floppy muscles, although they are not paralyzed. This disease…

  • Amyl nitrate

    A drug that relaxes muscle spasms is sometimes used to prolong or intensify an orgasm: amyl nitrite; butyl nitrate. A prescription drug used in the treatment of angina. A drug used to reduce blood pressure. Vasodilator sometimes used to treat angina pectoris. Adverse effects include hypotension, nausea, headache, dizziness, and allergic reactions.  

  • Amyl alcohol

    A form of alcohol that is unfit for human consumption.  

  • Amygdalin

    A poisonous substance that releases cyanide when acted upon by enzymes in the body. It is an active ingredient of Laetrile an unproven treatment for cancer. A bitter-tasting glycoside derived from the pit or other seed parts of several plants, including almonds and apricots. Amygdalin, from which the poisonous hydrocyanic acid can be produced by…

  • Amygdale

    An almond-shaped structure.      

  • Amputation

    The cutting off of a limb or any other projecting part by surgical means. The surgical removal of a limb or part of a limb or other body part by surgery (e.g., to treat gangrene or recurrent infection. severe trauma, or malignancy) or by trauma. Removal of an extremity due to trauma or circulatory disease;…

  • Ampule

    A sealed glass container of sterile medication. Sealable sterile glass tube used to contain medicines, usually for injection by needle. Also called ampul. A small glass container that can be sealed and its contents sterilized. This is a French invention for containing hypodermic solutions. The hermetically sealed receptacle encompassing an aseptic mixture, intended for intravenous…

  • Amphoteric

    In chemistry, having both acidic and basic properties. The characteristic of a compound that allows it to have either an acidic or a basic function depending on the pH of the solution. Being able to react as both an acid and a base. In chemistry, a reversible reaction occurs where specific chemicals can function as…

  • Amphiaster

    In cytology, a figure formed in mitotic cell division consisting of two asters connected by a spindle. Double star figure formed during mitosis.