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  2. Norelgestromin - Wikipedia

    en.wikipedia.org/wiki/Norelgestromin

    Side effects of the combination of an estrogen and norelgestromin include menstrual irregularities, headaches, nausea, abdominal pain, breast tenderness, mood changes, and others. [4] Norelgestromin is a progestin, or a synthetic progestogen , and hence is an agonist of the progesterone receptor , the biological target of progestogens like ...

  3. Biological functions of nitric oxide - Wikipedia

    en.wikipedia.org/wiki/Biological_functions_of...

    The nitrate-nitrite-nitric oxide pathway elevates nitric oxide through the sequential reduction of dietary nitrate derived from plant-based foods. [13] Nitrate-rich vegetables, in particular leafy greens, such as spinach and arugula , and beetroot , have been shown to increase cardioprotective levels of nitric oxide with a corresponding ...

  4. Nitroarginine - Wikipedia

    en.wikipedia.org/wiki/Nitroarginine

    Nitroarginine, or N ω-nitro-l-arginine, also known as L-NOARG, is a nitro derivative of the amino acid arginine. [1] It is an inhibitor of nitric oxide synthase and hence a vasoconstrictor . As such, it finds widespread use as a biochemical tool in the study of nitric oxide and its biological effects.

  5. Nitrovasodilator - Wikipedia

    en.wikipedia.org/wiki/Nitrovasodilator

    Most side effects are direct consequences of the vasodilation and the resultant low blood pressure. They include headache ("nitrate headache") resulting from the widening of blood vessels in the brain, reflex tachycardia (fast heart rate), flush, dizziness, nausea and vomiting. These effects usually subside after a few days if the treatment is ...

  6. Nitric oxide synthase - Wikipedia

    en.wikipedia.org/wiki/Nitric_oxide_synthase

    Nitric oxide synthases produce NO by catalysing a five-electron oxidation of a guanidino nitrogen of L-arginine (L-Arg). Oxidation of L-Arg to L-citrulline occurs via two successive monooxygenation reactions producing N ω-hydroxy-L-arginine (NOHLA) as an intermediate. 2 mol of O 2 and 1.5 mol of NADPH are consumed per mole of NO formed. [3]

  7. Citrullination - Wikipedia

    en.wikipedia.org/wiki/Citrullination

    In the reaction from arginine to citrulline, one of the terminal nitrogen atoms of the arginine side chain is replaced by an oxygen. Thus, arginine's positive charge (at physiological pH) is removed, altering the protein's tertiary structure. The reaction uses one water molecule and yields ammonia as a side-product:

  8. Argininosuccinate lyase - Wikipedia

    en.wikipedia.org/wiki/Argininosuccinate_lyase

    Mutations resulting in low activity of the enzyme increase levels of urea in the body and result in various side effects. The ASL gene is located on chromosome 7 between the centromere (junction of the long and short arm) and the long (q) arm at position 11.2, from base pair 64,984,963 to base pair 65,002,090.

  9. Cervix - Wikipedia

    en.wikipedia.org/wiki/Cervix

    The cervix is more tightly connected to surrounding structures than the rest of the uterus. [7] The cervical canal varies greatly in length and width between women or over the course of a woman's life, [3] and it can measure 8 mm (0.3 inch) at its widest diameter in premenopausal adults. [8] It is wider in the middle and narrower at each end.