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  2. Neurotransmission - Wikipedia

    en.wikipedia.org/wiki/Neurotransmission

    Storage of the neurotransmitter in storage granules or vesicles in the axon terminal. Calcium enters the axon terminal during an action potential, causing release of the neurotransmitter into the synaptic cleft. After its release, the transmitter binds to and activates a receptor in the postsynaptic membrane. Deactivation of the neurotransmitter.

  3. Birth control - Wikipedia

    en.wikipedia.org/wiki/Birth_control

    Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]

  4. Calendar-based contraceptive methods - Wikipedia

    en.wikipedia.org/wiki/Calendar-based...

    This system was a main form of birth control available to Catholic couples for several decades, until the popularization of symptoms-based fertility awareness methods. A new development in calendar-based methods occurred in 2002, when Georgetown University introduced the Standard Days Method. The Standard Days Method is promoted in conjunction ...

  5. Comparison of birth control methods - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_birth...

    Effectiveness of contraceptive methods with respect to birth control. Only condoms are useful to prevent sexually transmitted infections. There are many methods of birth control (or contraception) that vary in requirements, side effects, and effectiveness. As the technology, education, and awareness about contraception has evolved, new ...

  6. Hormonal contraception - Wikipedia

    en.wikipedia.org/wiki/Hormonal_contraception

    Birth control pills are the most commonly prescribed hormonal treatment for hirsutism, as they prevent ovulation and decrease androgen production by the ovaries. Additionally, estrogen in the pills stimulates the liver to produce more of a protein that binds to androgens and reduces their activity.

  7. Chemical synapse - Wikipedia

    en.wikipedia.org/wiki/Chemical_synapse

    The neurotransmitter binds to chemical receptor molecules located in the membrane of another neuron, the postsynaptic neuron, on the opposite side of the synaptic cleft. Chemical synapses are biological junctions through which neurons ' signals can be sent to each other and to non-neuronal cells such as those in muscles or glands .

  8. Neuromuscular junction - Wikipedia

    en.wikipedia.org/wiki/Neuromuscular_junction

    A neuromuscular junction (or myoneural junction) is a chemical synapse between a motor neuron and a muscle fiber. [1] It allows the motor neuron to transmit a signal to the muscle fiber, causing muscle contraction. [2] Muscles require innervation to function—and even just to maintain muscle tone, avoiding atrophy.

  9. Contraceptive implant - Wikipedia

    en.wikipedia.org/wiki/Contraceptive_implant

    A contraceptive implant is an implantable medical device used for the purpose of birth control.The implant may depend on the timed release of hormones to hinder ovulation or sperm development, the ability of copper to act as a natural spermicide within the uterus, or it may work using a non-hormonal, physical blocking mechanism.

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