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[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 ...
Controlled ovarian hyperstimulation is a technique used in assisted reproduction involving the use of fertility medications to induce ovulation by multiple ovarian follicles. [1]
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 ...
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.
In electrophysiology, the threshold potential is the critical level to which a membrane potential must be depolarized to initiate an action potential. In neuroscience , threshold potentials are necessary to regulate and propagate signaling in both the central nervous system (CNS) and the peripheral nervous system (PNS).
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]
Anode break excitation (ABE) is an electrophysiological phenomenon whereby a neuron fires action potentials in response to the termination of a hyperpolarizing current.. When a hyperpolarizing current is applied across a membrane, the electrical potential across the membrane falls (becomes negative than the resting potential); this drop is followed by a decrease in the threshold required for ...
Artistic interpretation of the major elements in chemical synaptic transmission. An electrochemical wave called an action potential travels along the axon of a neuron.When the action potential reaches the presynaptic terminal, it provokes the release of a synaptic vesicle, secreting its quanta of neurotransmitter molecules.