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  1. en.wikipedia.org › wiki › ProtamineProtamine - Wikipedia

    Protamines are small, arginine -rich, nuclear proteins that replace histones late in the haploid phase of spermatogenesis and are believed essential for sperm head condensation and DNA stabilization.

  2. Ethylenediaminetetraacetic acid (EDTA), also called EDTA acid after its own abbreviation, is an aminopolycarboxylic acid with the formula [CH 2 N (CH 2 CO 2 H) 2] 2. This white, water-insoluble solid is widely used to bind to iron (Fe 2+ /Fe 3+) and calcium ions (Ca 2+), forming water-soluble complexes even at neutral pH.

  3. en.wikipedia.org › wiki › ErgotamineErgotamine - Wikipedia

    Ergotamine, sold under the brand name Ergomar among others, is an ergopeptine and part of the ergot family of alkaloids; it is structurally and biochemically closely related to ergoline. [9] It is structurally similar to several neurotransmitters, and it acts as a vasoconstrictor.

  4. en.wikipedia.org › wiki › AnandamideAnandamide - Wikipedia

    Anandamide (ANA), also referred to as N-arachidonoylethanolamine (AEA) is a fatty acid neurotransmitter belonging to the fatty acid derivative group known as N-Acylethanolamine (NAE). Anandamide takes its name from the Sanskrit word ananda, meaning "joy, bliss, delight," plus amide.

  5. Two-dimensional representation of neuraminic acid in its straight chain form. Neuraminic acid (5-amino-3,5-dideoxy- D - glycero - D - galacto -non-2-ulosonic acid) is an acidic (in particular ulosonic) amino sugar with a backbone formed by nine carbon atoms. [1]

  6. en.wikipedia.org › wiki › KetamineKetamine - Wikipedia

    Ketamine is a dissociative anesthetic used medically for induction and maintenance of anesthesia. It is also used as a treatment for depression and in pain management. [19] . Ketamine is an NMDA receptor antagonist which accounts for most of its psychoactive effects. [20]

  7. en.wikipedia.org › wiki › DopamineDopamine - Wikipedia

    Dopamine (DA, a contraction of 3,4- d ihydr o xy p henethyl amine) is a neuromodulatory molecule that plays several important roles in cells. It is an organic chemical of the catecholamine and phenethylamine families. Dopamine constitutes about 80% of the catecholamine content in the brain.

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