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  2. Menotropin - Wikipedia

    en.wikipedia.org/wiki/Menotropin

    [4] [5] Menotropins were successfully introduced into clinical use by Bruno Lunenfeld in 1961. [4] While earlier menotropin medications contained FSH and LH at a 1:1 ratio, the recognition that it is FSH that is critical for follicle stimulation has led to development of newer preparations that contain a much higher FSH/LH ratio, Fertinex being ...

  3. Afterhyperpolarization - Wikipedia

    en.wikipedia.org/wiki/Afterhyperpolarization

    Afterhyperpolarization, or AHP, is the hyperpolarizing phase of a neuron's action potential where the cell's membrane potential falls below the normal resting potential. This is also commonly referred to as an action potential's undershoot phase. AHPs have been segregated into "fast", "medium", and "slow" components that appear to have distinct ...

  4. Action potential - Wikipedia

    en.wikipedia.org/wiki/Action_potential

    An action potential occurs when the membrane potential of a specific cell rapidly rises and falls. [1] This depolarization then causes adjacent locations to similarly depolarize. Action potentials occur in several types of excitable cells, which include animal cells like neurons and muscle cells, as well as some plant cells.

  5. Quantitative models of the action potential - Wikipedia

    en.wikipedia.org/wiki/Quantitative_models_of_the...

    Figure FHN: To mimick the action potential, the FitzHugh–Nagumo model and its relatives use a function g(V) with negative differential resistance (a negative slope on the I vs. V plot). For comparison, a normal resistor would have a positive slope, by Ohm's law I = GV, where the conductance G is the inverse of resistance G=1/R.

  6. Gonadotropin preparations - Wikipedia

    en.wikipedia.org/wiki/Gonadotropin_Preparations

    menotropins for injections, USP. Brands. Menopur, 5 mL vials containing 75 IU FSH and 75 IU LH. Repronex, vials containing either 75 IU FSH and 75 IU LH, or 150 IU FSH and 150 IU LH. Common side effects of preparations containing FSH and LH are: [4] Mild bloating; Pain, swelling, or irritation injection site; Rash at injection site or other ...

  7. Biological neuron model - Wikipedia

    en.wikipedia.org/wiki/Biological_neuron_model

    The signal is a short electrical pulse called action potential or 'spike'. Fig 2. Time course of neuronal action potential ("spike"). Note that the amplitude and the exact shape of the action potential can vary according to the exact experimental technique used for acquiring the signal.

  8. Controlled ovarian hyperstimulation - Wikipedia

    en.wikipedia.org/wiki/Controlled_ovarian_hyper...

    Controlled ovarian hyperstimulation is a technique used in assisted reproduction involving the use of fertility medications to induce ovulation by multiple ovarian follicles. [1]

  9. Rheobase - Wikipedia

    en.wikipedia.org/wiki/Rheobase

    Rheobase is a measure of membrane potential excitability. In neuroscience, rheobase is the minimal current amplitude of infinite duration that results in the depolarization threshold of the cell membranes being reached, such as an action potential or the contraction of a muscle. [1]